> Will do on pics.
> What do you think the biggest bottleneck is? Graphics card, CPU, both?
GPU, hands down. However I would wait before a purchase and test the performance your getting with your current setup. Most mame emulated arcade machines that use the Z80 & 6502 CPU's will run just fine on your PC. It's the newer 68000 and up arcade CPU's, that will start to crunch your system...