I am building a modest gaming rig. Does anyone with more experience have a comment or suggestion for me? CoolerMaster HAF 922 Gaming Case Intel i7 960 Processor Asetek 550LC Liquid CPU Cooling 6 GB Corsair XMS3 Dominator Either a NVIDIA GeForce GTX 580 or two NVIDIA GeForce GTX 460 SLI Gigabyte GA-X58A-UD7 1200 Watt CoolerMaster RSC00-80GAD3-US 600 GB Velociraptor HD