I have an amd athlon ii x2 250 3.0ghz processor and a 1gb radeon 5670. 3gb ddr3 ram. Am I bottlenecking? Also, I record games with fraps, and it seems quite intense on my cpu, I'm thinking an upgrade to a phenom 9850 quad core 2.5 ghz with a radeon 5770. Is it worth it?