Is there anything I can use to DISPLAY FPS while I am playing games Like Counter-Strike and Supreme Commander <--- (on dual-screens) Do NVIDIA DRIVERS HAVE THIS BUILT IN?
A lot of games have their own FPS counter built in to them, like CS:S for example: cl_showFPS "1" in the command prompt in CS:S will give you a detailed performance reading. But for most games, just use Fraps, you can record yourself playing with this as well.
yup http://forums.filefront.com/general-gaming/306863-show-your-fps-ingame-step-step-instructions.html