I'm wanting a new office chair for my desk and I can't decide if I should go with a classic/normal office chair or a balance ball chair. Does anyone use an exercise ball chair? If so, what brand, and do you like it? This is the one I'm looking at getting:
http://www.amazon.com/Gaiam-Balance-Ball-Chair-Black/dp/B0007VB4NE/ref=sr_1_1?s=sporting-goods&ie=UTF8&qid=1325794114&sr=1-1