Ok I'll do the same, here are my settings and I get 34 FPS on average on the black death track, v-sync enabled in nvidia control panel:
My specs:
Intel Core i3 2120 3,3Ghz
4GB DDR3 RAM Kingston
64GB Samsung 470 SSD
EVGA GeForce GTX 550ti 1GB DDR5 (factory overclocked)
P.S I use the MSAA injector magizmo for my AA