I'm currently using one of these: http://officemaster.com/products/index.php?view=product&sid=159 http://officemaster.com/products/index.php?view=product&sid=..

I'm currently using one of these: http://officemaster.com/products/index.php?view=product&sid=159 http://officemaster.com/products/index.php?view=product&sid=... It's definitely best suited for tall users (if you're not over about 6'3" you will NOT be comfortable) and is both taller and has a deeper seat than most chairs.