I guess this would give some ideas:
http://www.videocardbenchmark.net/
There's GPU, CPU and Harddisk benchmarks

And.. oh wow, i thought my yeaars old graphics card was with score 130 or so, it was actually bit more
http://www.videocardbenchmark.net/gp...HD+5600%2F5700
CPU gets score 2,226. I'd definitely get something more powerful than that. Did i read there are 3.6GHz quadcores for cheap'ish?