Xbox 360 running ATI's Ruby tech demo, at E3 2005 (60 fps)

In 2005, ATI (now AMD) showed this real-time tech demo for the Xbox 360, at the Electronic Entertainment Expo (E3). At one point (not shown in the video), the ATI representative showed that this was indeed being rendered in real time, by using the controller to change the perspective in the demo. According to the ATI representative, the Xbox 360 that was running the demo, was the only actual xbox 360 unit that could be seen, on the show floor (I'm assuming others could be seen and played by developers and