I have same problem.
790i Ultra SLI
8G RAM
E8500 @ 3.7G
2xGTX280 in SLI, PhysX disabled (190.38 drivers)
Vista 64 Home Premium SP2
---------- Post added at 09:57 PM ---------- Previous post was at 09:54 PM ----------
Oops. This is on the demo. Haven't bought game yet.