In 720p High Definition from NVidia's NVision '08 graphics conference:
TV celebrities and scientists, Jamie Hyneman and Adam Savage, world renowned for their work as hosts of the MythBusters television show, have built a one-of-a-kind, never-before-seen, awe-inspiring machine that demonstrated the difference between a GPU and CPU. What transpired included two robots, thousands of paint balls and the Mona Lisa herself. You've got to see it to believe it!