At 1st glance, for the $$: a tad CPU/mobo heavy and GPU lite
The Game Rundown: Finding CPU/GPU Bottlenecks, Part 2http://www.tomshardware.com/reviews/game-performance-bottleneck,2738-16.html
Conclusion: A Trend Toward 3+ Cores
The average optimal number of CPU cores suggested by the test results is 2.75, showing a clear trend towards at least three CPU cores.The question of whether the CPU or GPU is most important is easily answered. If you don't have a multi-core CPU, then upgrade it. If you have a dual-core CPU at around 3 GHz, then invest your money into a graphics card, as most games are GPU-limited. This is not something that will change with new DirectX 11 games.
Why not just http://www.tomshardware.com/forum/261222-31-build-advice