Thank you for your answers!

Quote Originally Posted by origamikitsune View Post
Flashing trees: Happens on all video cards. Adjustments to AA can fix this (for whatever reason, this game seems to prefer none, or x2 AA; people who have no AA have seen performances increases by turning AA on to x2) and the flickering can mitigated by lowering AA. Stupid, I agree.
I have tried with all AA configurations and is the same for me, including no AA.

Quote Originally Posted by origamikitsune View Post
Shadow issues: Not exclusive to ATI. They just have really piss-poor shadowing on characters.
Yes, is a bit weird.

Quote Originally Posted by origamikitsune View Post
Low Frame Rates In Town: 9/10 caused by your hard drive, not your video card.
So, what kind of HDD I need? Sata II 7200rpm is invalid? I cannot believe it haha.