(In reply to comment #28)
> Andreas Boll requested a branch of all my latest Mesa patches for people to
> test it. It's here:
> 
> git://people.freedesktop.org/~mareko/mesa master

Awesome!
With my RV770 all is rendering correctly now in CS:S! Moreover, I'm always at
60FPS (vsync certainly enabled) with all graphical options enabled (even MSAA
2x) (1680*1050)!

Note that I'm using 3.7.9-201.fc18.x86_64.