Ah NVIDIA, how far you've come. This time last year we were all wondering if your first Fermi GPUs would operate successfully without a nuclear reactor in our backyards, yet today you're introducing a successor to one of the best value-for-money GPUs the PC gaming world has seen in ages. Yes, the GTX 560 Ti has mighty big shoes to fill, but it's off to a good start with 384 CUDA cores running at 1645MHz, 1GB of GDDR5 RAM running at an effective rate of 4GHz, and an 822MHz graphics clock -- each one a cl