The REAL Mighty Mouse
Say what you will about Microsoft's software, but you can't say they don't make a great mouse. This is the second one of their wireless ones I've own (the first, I grudgingly gave to a relative). They connect painlessly, stow easily and sip batteries frugally (I easily get months of use). Slightly smaller than your average desktop mouse, the 5000 is boasts all the features you'd expect in its larger cousins (multiple buttons, scroll wheel, etc). Combine this mouse with USB port re-chargeable batteries and you have an unbeatable combination.

Not bad Microsoft, not bad.
This is my 2nd Microsoft mouse and I am pretty happy with it. What caught my attention was the bluetooth capability as I did not want another USB dongle on my MacBook Pro. My bluetooth has yet to be used, so why not finally utilize it. Got the package in the mail and was excited to open it. No CD for drivers = Happy Consumer! That meant no drivers needed to be installed to start using this baby. Turned on my bluetooth, put batteries in mouse, flipped power switch, put mouse into pairing mode, discover mouse, and you're good to go! A definite must for OSX users out there: you must download a 3rd party utility such as Steermouse in order to fully utilize this mouse. On my laptop, the "back button" actually activated Expose so I had to use Steermouse to reconfigure it. So far so good.

Excellent Notebook Mouse
This product has a great feel and works flawlessly with good battery life. Competitive price.

Solid Bluetooth Mouse
Product works as advertised. Setup was easy using the instructions that came with the mouse. I have been surprised by the length of the battery life (takes 2 AAA batteries)...still on the original batteries that came with the mouse. Others have reported problems with the back button, but I have had none and I love this feature on this mouse. Web browsing is much, much quicker with this back button feature. Sensitivity and response of the mouse is outstanding as well.

Never stays connected, and refuses to connect most of the time
Bought this to replace my mighty mouse, which I had been using for my mac, and never thought I would find a worse mouse than that one. The scroll wheel is lousy on this mouse, but worse it never holds the connection. Neither in os x or in xp. Half the time my computer can't even find it, and when it does I get a "connection failed" message. Better off getting a cheap wireless mouse then this.