Rating: 
Summary: Problem with WinXP SP2
Review: Avoid Logitech products if you have Windows XP Service Pack 2 installed. The Bluetooth stack in SP2 interferes with the Logitech Bluetooth stack, and Logitech responses so far have been far from satisfactory. Many people have complained on Logitech's website, so I would wait until Logitech finds a better solution.
Rating: 
Summary: My first Bluetooth Mouse
Review: Having just purchased a new notebook (Sager 8790) with internal bluetooth, I was anxious to test it out and see how it worked. I was initially a bit apprehensive over it, thinking that it might stutter in movement or be slow to react, but the thought of one less cord attached to my notebook compelled me to try.I chose the MX 500 because I'd heard a bad review from someone regarding the MS Bluetooth Intellimouse. However, I was reluctant to go with the Logitech mouse as I've been using MS Optical Intellimouses (Intellimice?) exclusively since they first came out. Upon installing the Billionton drivers, it was a snap to have my notebook recognize the MX 500. It works fantastic. I love it. In fact, I'm looking to buy a 2nd Bluetooth mouse now so I can be wireless at work, too. I'm so sold on this that it drives me crazy to use the wired MS Optical mouse at work. The only downside is that if you're a heavy computer user, you have to be mindful to put the mouse on the charger before going to sleep. Otherwise, you're going to have a dead mouse eventually (voice of experience). I haven't tried to set up the extra buttons above and below the scroll wheel. I can't say whether they work well or not. Convenient for those that need/want the extra options, but I'm happy enough w/ the basics (L, R, scroll, Forward, Backward). I'm more than impressed with this mouse and wouldn't hesitate to suggest it to anyone. I was leery at first, but am very happy I took the chance because it's fantastic being wireless with such a responsive mouse.
Rating: 
Summary: Almost perfect.
Review: I bought the keyboard & mouse set a few months ago and have been pleased with both. I use an Apple G4 Powerbook with integrated Bluetooth, and was unsure how well the items would would with it, but the PB picked up on the devices with little trouble. Don't be afraid if the Mac seems a bit timid to talk to the Logitech products at first, they'll pick each other up in a couple of tries.
As Bluetooth is built in, I was elated to find out that I don't need to lug around the base station with the mouse. This is great because I can carry the little rodent with me everywhere I go, and just charge it at home every other night or so.
I was also happy that the right-button works just as it does on a PC, that is, it's just like pressing "control" and clicking on a Mac. The scrollwheel also works natively, and you can program up to three other buttons in Expose.
A little app called usbOverdrive allows Mac users to manipulate all of the buttons on USB peripherals (like mice) so that they can all be put to good use. But alas, the current version doesn't support bluetooth mice. The programmer has said that bluetooth would be implemented in the next release, so all we can do is wait patiently.
My nitpicks with this mouse are few: its battery lif,e the lack of an "off" switch, the lack of supporting driver from Logitech.
I have one of the Apple Bluetooth wireless mice and it's been going strong without needing to be recharged for nearly 6 months. I can't go 2 days without needing to recharge the MX 900 mouse and they both use the same type and quantity of batteries. That said, the MX 900 is better and/or out-performs the apple mouse in every other regard. I guess we can't have everything.
But no "off" switch? I keep the mouse in a small microfiber bag (usually used for sunglasses), and throw it in my messenger bag (I take it with me everywhere), and the little red light flashes all day anytime it senses any movement. Not including an off switch just seems to be an oversight...and a very bad one to make.
Also, does ths mouse seem "slow" to anyone else? This is just a software issue, and if Logitech were to devlope an Apple driver I think it would be easy to solve, but even with the track speed set to maximum (which makes the mouse fly when I use the track pad or the apple bluetooth mouse), the logitech movesat a fairly modest speed.
In short, if Logitech increased battery life to something more usable (is one week too much to ask for?), implemented an "off" switch to save battery life when the mouse is in transit, and created an apple driver so we could program all of the buttons, I think this would really be the perfect mouse. Until then, however, It's still pretty close for my needs.
Rating:
Summary: Sturdy, Reliable, Easy and Expensive
Review: I bought this mouse late one night after several weeks of thinking about it. The price is definitely high, but the quality of the mouse and bluetooth hub/charger helps the $$$ make sense. On first use, I thought the thing was going to break my wrist. It is really heavy compared to other mice. Now, I can't stand lighter mice. Several people have noted that it is only designed for right-handed mouse users, but being mouse-ambidextrous, I can attest that it works quite comfotably in the left hand, though I prefer to use it in my right. I have used the mouse with my Powerbook g4 with built in bluetooth flawlessly, getting all three extra buttons to handle expose without any hitch or extra software. I am currently using it with WinXP, also flawlessly without any software, though the change windows button doesn't natively do anything. The best part about the button layout is the foward/back set on the side. No need to slide around to move around the internet, just tap the back button with your thumb. Of course, there are cheaper mice with the same buttons. Battery life is really good. I get about three days worth of mousing on a full charge. Once you have emptied and recharged the battery a couple of times, it is safe to set it in the cradle at the end of the day so that it is always full in the morning. Just be sure to empty the battery every once in a while. The mouse sits on my desk while I'm at work and gets thrown in the bag with my laptop for the road. I've dropped it from five feet up onto concrete, had the cat knock it off my desk and the mouse still works better than any other mouse I've ever used, and doesn't even show any signs of abuse. If you can spend the money, and spend a lot of time on your computer, this mouse is well worth the $$$. The bluetooth hub makes the deal okay. Do not buy a wireless mouse that doesn't have a charging station...you don't want to deal with batteries like that. Oh, and it looks REALLY nice with a brushed aluminum desk look (i.e. apple powerbooks, envision LCDs, Sony Ericson T610, etc.)!
Rating:
Summary: Works great with Mac Powerbook
Review: I bought this since my Powerbook support Bluetooth. It worked great from the time I first used it. The Powerbook recognized it immediately after running the "Setup Device.." wizard. Now I can just bring the mouse near the Powerbook and it gets recognized and starts working within 5 seconds. I don't have to plug the base station into the Powerbook like non-Bluetooth laptops require. At night I just put the mouse into the basestation to charge so its ready for the next day. I have gotten several days of usage on a full charge. The mouse is comfortable and the buttons are programmable to work with the Expose feature of OS X. This makes navigation of the windows really slick. The only down side was the expense.
Rating:
Summary: Works great with Mac Powerbook
Review: I bought this since my Powerbook support Bluetooth. It worked great from the time I first used it. The Powerbook recognized it immediately after running the "Setup Device.." wizard. Now I can just bring the mouse near the Powerbook and it gets recognized and starts working within 5 seconds. I don't have to plug the base station into the Powerbook like non-Bluetooth laptops require. At night I just put the mouse into the basestation to charge so its ready for the next day. I have gotten several days of usage on a full charge. The mouse is comfortable and the buttons are programmable to work with the Expose feature of OS X. This makes navigation of the windows really slick. The only down side was the expense.
Rating:
Summary: Great Mouse, poor software
Review: I got this mouse with the Logitech diNovo Media Desktop which came with the bluetooth hub and a keyboard and media pad. The only problem with the mouse is that the software that lets u assign keystrokes to the buttons on the mouse actually disables the middle mouse button (mmb). I use programs that require the mmb and was wondering why this didnt work until i shut down the program SetPoint from my system tray. Doing so will render the quick switch button inactive but i find it faster to switch programs by pointing and clicking then by pressing a button then pointing and clicking. Without the program all other buttons work as normal. I dont need to assign special tasks anyway. Another point of interest is the battery life. I have the hub which recharges the mouse which is a must because if u dont keep it charging when not in use it will run out. U can check ur batteries by running the SetPoint software and it allows u to check batteries for the mouse as well as the keyboard and media pad if u have diNovo. All in all, its a great device if you use bluetooth, but if u dont need or use bluetooth you are probably better off with a regular cordless.
Rating:
Summary: Exactly what I was expecting
Review: I have a Toshiba notebook with builtin Bluetooth and was using an MX500 Logitech mouse. That mouse was great, except for the cablem which was long enough to be attached to even some very far desktop computers, but when you use it with a notebook, that cable is too long. When Logitech released the MX900, I decided to give it a try and now I'm using it very well. It works fine with the builtin Bluetooth, even if you can't install the software that comes with it if you're not using the Bluetooth station provided by Logitech. The only button that is not working is the app switch one, so, I can live with that. The battery lasts four full days for me, even leaving it inside the notebook carrying case (in dark surfaces the mouse can't power off the optical sensor) for long times. The mouse works very well for the kind of applications I use and the games I play (only Neverwinter Nights, actually). The price is a bit high, but I have to say that I love that mouse.
Rating: 
Summary: Nice quality mouse with some issues
Review: I have both the MX-500 version and this bluetooth version, which I use primarily with my 12" bluetooth powerbook. It was easy to set-up for bluetooth, but configuring the buttons beyond Expose on a mac is a pain. 3rd party software, etc. I even had to add a little program to adjust the acceleration and smooth the tracking. And then it would seem to lose the settings periodically. Logitech driver software has been lacking for me, both for PC and mac. So even though the mouse is solid and nice, it is only as good as it's software interface. Since Logitech has yet to write a driver interface for this mouse and OSX, be aware that all buttons in all programs will nit work without some oddball hacking. As for the PC, the Logitech drivers have a tendency to foul up other drivers you already have onboard. All in all the mouse gets 4-5 stars, the software (or lack thereof) gets 2.
Rating:
Summary: Nice quality mouse with some issues
Review: I have both the MX-500 version and this bluetooth version, which I use primarily with my 12" bluetooth powerbook. It was easy to set-up for bluetooth, but configuring the buttons beyond Expose on a mac is a pain. 3rd party software, etc. I even had to add a little program to adjust the acceleration and smooth the tracking. And then it would seem to lose the settings periodically. Logitech driver software has been lacking for me, both for PC and mac. So even though the mouse is solid and nice, it is only as good as it's software interface. Since Logitech has yet to write a driver interface for this mouse and OSX, be aware that all buttons in all programs will nit work without some oddball hacking. As for the PC, the Logitech drivers have a tendency to foul up other drivers you already have onboard. All in all the mouse gets 4-5 stars, the software (or lack thereof) gets 2.
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