I have a 2.4c, with 2x512 of XMS Corsair, with a p4c800-ed. I'm wondering what would the fastest card be for my processor.....or what if i overclocked my memory 50mhz, problem being my memory would run 3:2, so i'd have a 3.4 ghz proc. but the memory wouldnt be running in sync, would it still bottleneck my system if i got something like a 6800 Ultra Extreme.