I tried one. When I sat in it, the chair rolled on its back and was a little difficult to get into a normal upright sitting position. I didn't find them to be particularly comfortable and they were exceedingly difficult to get out of.
If you really need a video game chair, do yourself a favor: Go to the salvation army or any other 2nd hand furniture store and find yourself a cheap lounger. I bought one for $20 and its practically the only thing i play video games in. Bonus points if it comes with the built in retractable ottoman thing. Doesn't have to be a super plus La-Z-Boy, but they are nicer than plastic with thin padding.