Pros: nice mice itself.

Cons: huge receiver. Seriously - I've expected all keybords, mices to have a micro one by now. But this one is a huge receiver kina like old wireless cards or thumbddrives - sticking out good 6 centimeters out of laptop. I've returned it purely because of that.

Pros: Large, comfortable chasis; aesthetically pleasing

Cons: Poor build quality, short wireless range

Other Thoughts: Scroll wheel started free spinning after 2-3 months. I've spent more than 50,000 hours behind a computer terminal in my life and this is the first input device I've had physically fail before the surface material was worn off slick. This thing looks and feels like it was just taken out of the box.

Pros: It's cheap

Cons: It often confuses left clicks for middle clicks, it will ignore left clicks, it will change cursor movement speeds seemingly at random and it does not offer OS X users the ability to assign functions to its auxiliary buttons. Overall this mouse is a horrible and horribly frustrating.

Other Thoughts: The only people that this mouse is fit for are those who enjoy gum infections and bee stings.

Pros: Very comfortable. Happy with all the buttons.

Cons: Randomly stops working. Might be because I am a couple yards away from receiver.

Other Thoughts: Will replace.

Pros: -Wireless distance is great (working at about 10ft right now with no obstructions)
-Battery life seems to be OK
-Works OK for gaming, but not a gamer's mouse
-Forward and back buttons
-Has an off switch

Cons: -Smaller than expected (didn't realize it was the mid-sized mouse, and not the full sized)
-Scroll wheel requires extra pressure to click
-No free-wheeling scroll feature
-No tilt wheel
-Scroll wheel kinda jumps multiple lines sometimes
-Not super precise
-Can't seem to find the "right" mouse speed
-A bit on the light sight
-Can't seem to figure out how to assign function to the little extra middle button
-A little small for my hands (6'0" tall)

Other Thoughts: I bought this coming from a Logitech MX Revolution (now called Performance MX), their top of the line mouse. The MX Rev was a great mouse, lasted me 5 years, and was very precise. This feels a little more plasticky and just isn't at the same level as the MX Rev. All in all, it's a decent mouse for everyday use and probably office use as well. It works OK with games, but you won't be a super sniper with this mouse. Probably good as a travel mouse, too.

Pros: Good mouse
Works like it should
Small and compact
Durable

Cons: USB Adapter on the bigger side

Other Thoughts: Kensington mice are awesome, didn't realize it didn't have a micro USB adapter

Pros: back forward buttons for web
like responsiveness of buttons
good range
did not eat batteries

Cons: my friend does not like it because it is light in weight, however this does not bother me

Other Thoughts: works with ubuntu 10.04 + 10.10

Pros: works great with ubuntu linux 10.04

Cons: none