[uptown]

2.) The "trampoline" design of the seat means the front edge of the chair digs into the underside of your thighs.

This was the dealbreaker for me. I tried one, but just never found it comfortable no matter what adjustments I made. Instead, I switched to the Humanscale Freedom. While it lacks extensive adjustments that many find essential, it's been a great chair that has held up very well. In the few instances where parts have worn due to age and use, the company has stood behind the product and shipped me replacement parts with no questions asked.