in my current rig i have an AMD Athlon 64, dual core, 6000+, 3.01ghz 4 1 gig sticks of ddr2 ram BFG Tech Nvidia 8800gts, 512mb, gddr3, overclocked edition and 1 tb sata hard drive i use this pc mainly for gaming so will upgrading to an AMD Phenom X3 8600B Triple-Core 2.3 ghz Windsor Processor cpu be better gaming wise or should i stick with my current cpu thanks