OK, what am I missing, here? Do the mirrors have a higher-resolution version of the demo video? (The one on Ati's site is 640x360)
Do people find the Ati site sluggish? I hit the limit of my ADSL first :/
You can even load an MPEG if you don't like QT.
And oh yeah, there's also the subsurface scattering demo video, which has a very nice effect, although not exactly as . . . eye-pleasing . . . as Ruby.