Hi, i recently bought a EVGA superclocked GTX 560 Ti and i tested it out on Crysis but i only got a max of about 30 FPS. Looking at reviews i should be at about an average of 45 FPS or so. My CPU is 2.33 gigahertz Intel Core2 Duo not OC. I think it's time i get a new CPU, assuming that's the reason why i am getting so little FPS. My budget is only about $150. I was looking at the AMD Athlon II X4 640, but if someone can suggest a better CPU for gaming in that price range, that'd be great. Thanks!
If i were you i'd return that gtx 560 and save it on a new system. Your cpu and motherboard is not good enough its bottlenecking the gtx 560. GTX 560 is a decent card especialy in SLI. Your going to need a new motherboard if your gonna go with Sandy Bridge. Plus you can't get them right now until April i believe.
Is VSync on? Although the CPU is definitely holding you back, try running with VSync off (in the game settings and NVidia Control Panel) to get every last FPS out that you can. It may cause screen tearing though (horizontal lines running across the screen) which may or may not bother you.