Don’t skimp on anything that separates you and the ground for a long period of time.

You must not have seen my reply in that thread:

My husband and I both have been using Tempur-Pedic office chairs for about 15 years. Starting in 2004, we both worked desk jobs from home (he still does, I only recently shifted careers) and both play video games so we have used the shit out of our chairs, and they are still good. I like that the seat is wide enough so I can fold my legs up under me if I want to.