Ubuntu Compiz

I found a great script that will test your hardware and tell you if it can support compiz on your ubuntu system, and if not, why it can't.

This is the script can be found at -
http://forlong.blogage.de/entries/pages/Compiz-Check

Good luck.

It's a matter of your videocard being current enough and Xorg supporting that card as it is configured; you can of course just try it and get an answer safely, intuitively, and in about a minute.
  In brief, if your CPU can go over 1GHz and your videocard's a GeForce 4 (or ATI X800) or newer, even Centrino 2 graphics, it should run well.