q6600 and the q9450 are good processors, how long are you looking for the system to last you and how intense of a gamer are you? msi with amd/ati chipsets on the k9a2 platnium has the spider setup and evenly spaced 4 pci-express 2.0. and the new black edition 9850s have been over clocked up to 3.4 stable with water cooling. But if ur only running one or two graphics cards i suggest buying a high clock speed dual core.
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