by pilot.masman » Tue Dec 09, 2008 11:04 am
CPU would be the main contributor to FPS in FSX
however if you have a top off the line XPU then having a top of the lin GPU would probably give you a boost.... not too mention making it look way better

Current PC - 3.2Ghz quadcore , GTX470, 750W PSU, 3.5tb, 12gb ddr3