im sticking with AMD 
We have proven here that the flurry of canned benchmarks based on timedemos showing huge gains with Core 2 processors are virtually worthless in rating the true gaming performance of these processors today. The fact of the matter is that real-world gaming performance today greatly lies at the feet of your video card. Almost none of today’s games are performance limited by your CPU. Maybe that will change, but given the trends, it is not likely. You simply do not need a $1000 CPU to get great gaming performance as we proved months ago in our CPU Scaling article.
http://enthusiast.hardocp.com/article.html?art=MTEwOCwxMSwsaGVudGh1c2lhc3Q=
real world fps > "timedemos"
We have proven here that the flurry of canned benchmarks based on timedemos showing huge gains with Core 2 processors are virtually worthless in rating the true gaming performance of these processors today. The fact of the matter is that real-world gaming performance today greatly lies at the feet of your video card. Almost none of today’s games are performance limited by your CPU. Maybe that will change, but given the trends, it is not likely. You simply do not need a $1000 CPU to get great gaming performance as we proved months ago in our CPU Scaling article.
http://enthusiast.hardocp.com/article.html?art=MTEwOCwxMSwsaGVudGh1c2lhc3Q=
real world fps > "timedemos"