Rating: 
Summary: Smoooooooooooth
Review: I must say, this mouse is wonderful. Period. It installed immediately in XP Home, and I can not believe how smooth and accurate it is. I kept going back to the computer a few times last night just to check it, to see if it really wasn't too good to be true. Sure enough, it kicked right on and worked WITHOUT MISSING A SINGLE BEAT. I have pretty large hands (insert joke here), so I definitely like the contour shape of this mouse. Forward and Back buttons on the side for the Internet....LOVE IT!Don't prove me wrong Microsoft! I really hope this mouse continues to shine like it did in it's first night of duty! I spend a lot of time editing video and I'm going to have that much less frustation (this is my first optical mouse even). I LOVE IT!
Rating: 
Summary: No Longer WORKING!!
Review: I wrote a review on this item 2 months ago and i had originally gave it 2 stars, but now i would have to give it just 1 star. After two months of using it under normal conditions, it finally broke down. Such a shame because i was only starting to get use to the on again off again battery saving feature that made me lag in games. So for an item that is no longer working after 2 months, i would not recemmend this to anyone. I'm sorry Microsoft but you dropped the ball on this one.
Rating: 
Summary: my complaints
Review: Too heavy. Consumes lots of power. Shape is not comfortable. The pain of moving a brick across my mouse pad outweights the benefit of freedom from the connecting wire.
Rating: 
Summary: A great wireless mouse.
Review: This is the first wireless mouse that I have bought. I was considering the Logitech MX700 but chose this one instead because it was a bit cheaper when I bought it, and also because it made a perfect duo with my microsoft natural multimedia keyboard.
I'll start mentioning features. This mouse is great to be cordless. It's fast, precise, and rarely does it lag. I play a lot of games that require fast movement and this does the job. The keys on the side are very useful because it allows the user to move "back" and "forward" in many applications that support this feature, including internet explorer and windows explorer. On the top there are 3 other buttons, the left, middle and right, while the middle operates as the scrolling wheel.
The mouse can operate as far as 6 feet from the receiver, and I think that's pretty cool. It is a bit heavy, but I do not think of that as bad; it feels very solid. The mouse drags a little bit depending on the mousepad or the surface where you have it. One thing I dislike is that the batteries don't last very much -- about 2-3 weeks with 8-10 hour use. I still don't think it's bad, but it can be a bit expensive to buy batteries every two weeks. I wish it came with rechargable ones, but nothing is perfect.
I do, however, recommend it to any casual user & gamer.
Rating:
Summary: VERY GOOD MOUSE !!
Review: Well, I think that the word that describes this mouse is:
CONFORT !!
In all the mouses that have passed throught my life, this is the most confortable !!! beleiveme, and well, the first wireless, so I cannot tell you much about that, but what I can, is that it works great if you're not a gamer or a graphic designer, because the mouse tends to sleep when it's not in use to save battery life..., so if it's sleep and you move it just a little bit (like when you're a sniper and need little movements to put that bullet in your opponent's head, or when you need to move a line just a little bit in a CAD) the mouse wont wake up, you will have to make a notorious move to make it respond....
But if you use your computer for daily work (office, home, presentations) this is the right mouse for you.
Rating:
Summary: This mouse rocks.
Review: When I first bought this mouse I had no doubt that it would be a great product from Microsoft. I was right. Not only is it wireless but it is extremely accurate. With 6000 scans per second it even outscans some wired mouses. The range is great, 6 feet is more than enough. I've had it for about six months and had to replace the batteries about three times. That's really not that bad. I definately recommend this product!!
Rating:
Summary: Perfect mouse for me!
Review: I like a slightly larger mouse, and one that is shaped for my hand. This mouse really fits that bill! I tried the Logitech MX500, and it just didn't fit my hand right, and gave me wrist strain. This one is a dream, with no problems at all. I've used a Microsoft Intellimouse (original ones) for years, and they were great. But one died and I had to replace it. So I got one of these (after trying the Logitech) and liked it so much I bought two! It's even better than the original. The wireless feature is nice, but not essential. Buttons are very customizable, even being able to make a button do an arbitrary keystroke. Wheel is just right with no problems of accidentally clicking it when scrolling with it. I use the side buttons less than I thought I would, but I guess they may take some getting used to. I have had no problems with responsiveness, and find the software makes it easy to tune the mouse's reactions. If this mouse broke, I'd immediately get another one just like it.
Rating:
Summary: So much potential...
Review: Back in the youth of the optical mouse technology, Microsoft broke into the frontier with it's own line of sans-ball mice. While their first generation of optical mice seemed revolutionary, this incarnation is not the mouse it could have been. The positives: This mouse was built for the hand. I've never used a more comfortable mouse. The curves and shape fit neatly into the right hand (sorry lefties!). Also, the buttons are well placed and the wheel rolls very nicely. The software that is included is fairly convinent. Whether you're using a Windows machine or a Mac, the included software keeps track of how much juice is left in the mouse's batteries and lets you know when they need to be replaced. Pretty spiffy. The negatives: If you're using a mouse pad, this mouse commands a light hand. Putting a tad too much pressure on the unit can make it stick slightly to a regular mouse pad, which results in a jittery mouse movement. It's best to use the mouse on a very smooth desktop if possible. Getting the mouse to click on what you want can be a pain as well. The mouse does not sport hi-res tracking, so moving the cursor over smaller screen objects is commonly hit-and-miss. Also, the mouse tends to sleep between movements to conserve battery power. Moving the mouse will wake it back up, however it results in a delayed reaction. In some cases, this can become so bad that it makes the computer seem like it's running slow. My Mac G4 felt like it was stalling like crazy until I replaced the Wireless Explorer with a Logitech that had a cord. After that everything was back to normal. Overall: If you really hate cords, have a smooth computer desk, don't mind a low-res tracking and enjoy a comfortable feel, then this mouse is for you. However, if you want a mouse that doesn't stall, doesn't need batteries and doesn't have trouble hitting its targets, then go somewhere else. Other recommendations: Logitech MX700 Cordless Optical Mouse, Logitech MouseMan Dual Optical Sensor.
Rating:
Summary: Agree on the batteries -- high replacement cost
Review: Mouse works great until suddenly it seems like your computer is acting up. It isn't -- your mouse needs batteries. I have 2 Logitech wireless mice and I replace the batteries on those every three or four months. I cannot go more than 2 weeks on this mouse before the batteries give out. With the Logitech the problemis clear -- the mouse quicks working. The Microsft Mouse tries to keep working but can't. Not working at all is better. The first time with the Microsoft Mouse I was rebooting my machine and trying to find out why the computer was acting falky. Replaced the batteries and ... problem fixed.
Rating: 
Summary: A nice mouse with one or two glitches
Review: I feel pretty lucky compared to other people who reviewed this mouse. I like it a lot except for one or two minor problems. This mouse feels much better in my hand than any other mouse I have tried so far. And I like the feel of the wheel also. So far I have not had to replace the batteries but it has only been one week. My main complaint is that sometimes you spin the mouse wheel and the screen does not move. I have two of these mice and the both do it, on two separate PCs. So it is definitely a design issue with these mice. I find that to be very annoying. But if you can get past that, it is a nice mouse.
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