I've tried numerous chairs from Office Depot and Office Max. None of them worked as well as the one I had in my office at work. I called a friend and got the name and model of his chair at work. It's a Steelcase Leap chair and it's terrific. They can be expensive, but they are well worth it. Make sure you get the one with arm rests.http://www.steelcase.com/products/office-chairs/leap/ 4951
@Annie:Â This is one that was apparently a display model for over 50% off.http://www.madisonseating.com/leap-chair-by-steelcase.html?gclid=CJ7r94Hro8YCFQcxaQodKGMAIg 4951