New benchmark run on different machine: Intel Core 2 Duo T5450 1.66 GHz, 2GB RAM - near 50% CPU usage on all games (99% of one core) Pong - 3.37 fps Rebound - 3.66 fps Space Race - 0.670 fps in attract, 0.775 fps in "play" (locked up after coin-up as mentioned previously)