[SOLVED] Star Wars: The Force Unleashed 2 extreme lag! Help!

Man, this game lags like crazy even on low settings. I’ve heard an nvidia update fixes it for some people, but I am running a ATI GPU. My specs are in my sig. Lag in new games is driving me nuts.
Answer #1
Have you tried updating your grafic drivers?
Answer #2
Yes, my ATI drivers are currently 10.10
Answer #3
[Solved] completely wiped every driver on my system and registry. Fixed lag in all games