Rating: 
Summary: Shame for Microsoft
Review: This mouse 'jumps' all the time, just as other reviewers noticed. It is a shame for Microsoft that this piece of junk bears its name on it.
Rating: 
Summary: Value for money
Review: This mouse is exactly what it claims to be, a B-A-S-I-C optical mouse. So its not correct to expect Intelliexplorer class performance.Works good enough for DTP/browsing etc. but is complete crap for gaming...but again, it never claims to be a gaming mouse.Never had any problems with it and Ive been using it for 5 months now.
Also, the phenomena of pointer suddenly reaching the corners of the screen happened with me but was rectified easliy by decreasing the pointer acceleration a little bit.
Rating:
Summary: This product is unusable in its present form.
Review: This mouse refuses to keep the cursor in place, but randomly jumps the cursor to the upper-right or lower-left corner. This is on a pure Microsoft computer running Windows XP.I have tried multiple mouse pads and every conceivable control panel setting combination. No driver update seems to be available from microsoft.com. My other mice (Microsoft, Logitech) do not have this problem. So, this product is going in the trash as soon as I buy a replacement from a different manufacturer.
Rating:
Summary: Buggy mouse
Review: This mouse works for ten minutes or so at a time, then the pointer randomly jumps around for a few seconds. Then it works again. This is pretty annoying and makes me wish I'd gone for the $25 mouse if only so that it would work continuously and be free of bugs.
Since I work with three monitors, having the mouse pointer go nuts makes it really hard to reorient. You kind of get used to it, but it definitely breaks my train of thought and makes it tougher for me to do my job programming enterprise software.
I've tried it on and off mousepads, updated the intellipoint drivers, turned off all other usb devices, etc.
Rating:
Summary: More of a rat than a mouse
Review: This rat is moving all over the darn place. Where did it go? Stay away from this one and buy the Microsoft WheelMouse Optical instead.
Rating:
Summary: a life of it's own...
Review: well... it does have a geat value for the money... it's confortable, light, the buttons and the wheel are soft and are not noisy at all... but it has a problem... makes the mouse cursor jump around from time to time... and you loose track of what you're doing... i've heard another case like this... i'm going to exchange it to see if the new one does the same...
other than that... i think microsoft manufactures the best mice available and bugs aside it's another great product
Rating:
Summary: Why M$ destroy its own impression with this kinda product
Review: You just sit there still. The pointer will run all over your screen automatically, super fast! I bought a nice optical mouse pad for it and it still did the same thing. My sugestion is not to buy it even it is free due to promotion, because it waste your time! Something on the side, buggy M$ software sometimes drive you crazy. M$ hardware is no better. I used to try its wireless PC card and had very frustrated experience too.
Rating: 
Summary: Just as the title says, BASIC optical mouse is basic..
Review: [...] I would probably give this mouse '3' stars, if the price wasn't so low at most retailers...but the price is often a steal. I'd say it gives you a good bang for your buck. This is not a high end mouse, what can you expect? It's a BASIC optical mouse, meang that it's a plain, regular optical mouse, no visually unique look and no fancy extra buttons to program, but it's got the buttons you need. I would say if you get a good price, it's not a bad mouse to have. Even with it's 'jumpy' problem, which I had only experienced in the first week of use, it's still pretty decent. The problem people are talking about is sometimes the lazer goes nuts and the curser moves somewhere on screen where you didn't put it. I use a Dell mouse pad that came with my PC with the mouse; although mouse pads are optional with optical 'mice,' with the mouse pad I experience less of these problems with the mouse taking on a mind of its own. Also make sure to adjust your scroll wheel settings, in fact you need to change your settings in the control panel. It's seems leaving, say, scroll wheel mouse settings, makes the mouse behave strangely. The mouse doesn't come with software, this is why I point this out. Adjust the mouse speed and you should be fine.
Also a nice feature is you can hook it up to a free USB port or traditional mouse port (comes with a connector). Conclusion: A bad mouse for gamers, graphic designers (although I tinker with photoshop and this serves okay for me, as I'm a college kid saving some $), but a good mouse for the everyday, basic PC user. I am on my computer alot, so I spend alot of time with this mouse and I have nothing amazing or terrible to say about it. Hope this helps somewhat. *reviews about this mouse being fickle are true. When I first got it I experienced it being 'jumpy,' but nothing as severe as some of the reviews state. it may depend on your OS, I'm running XP. The intellimouse explorer (I think that's it's name) is probably a better choice for an extra few $. But for the right price this mouse is tolerable.
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