The 320MB GTS is good, but nowhere near the 8800GT. You'll be fine at 10x7 though. Trading up isn't a bad option for you just keep in mind the 8800GT while faster, is hotter and louder. I have an evga 320MB GTS and it's pretty stinkin quiet. I haven't gamed on the 8800GT yet, but tested the cards last night and man are they loud in comparison. If you paid alot for that ACS version, and you like a quiet card, maybe look into the GTS 512MB. Otherwise keep your card. The 320MB GTS is pretty bad at crysis, but otherwise at 10x7 it's a powerful card.