Computer Mouse that dosent kill my wrists?

[tjf]

so im in search of the perfect mouse for work because im stuck on the computer all day. Im currenty using the microsoft wireless elite keyboard and mouse, and ive been noticing for the past few months i go home and my right wrist is killing me, it sucks becasue i never had to sit in front of a computer all day like this so im looking for a mouse and i came across this

http://www.evoluent.com/vm3.html

anyone have it or know of another model that is good?

[Intercooled T]

Logitech MX500...use it at work and its pretty comfortable

[goodfella732]

Carpal tunnel syndrome FTW

[grimm]

i would also suggest just altering they way you sit at work and your overall ergonomics. I've worked behind a computer for the past 6-8 years and i have never had much of an issues with discomfort. also some people really like track balls?