A friend of mine can run it under Win2K, but he has a Asus Geforce 2 GTS. It doesn't work with my Geforce256 DDR. I think it's because they use Per-Pixel-Shading in that demo and the Geforce256 is not supposed to be able to do that (actually it is just too slow as far as I heard).
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My system specs:
PIII 600E @ 800 , 160mb PC100 3-3-3, Creative GeForce DDR, SBLive (never had any problems with it, yet. Liveware 2K works very fine for me), 15 GB IBM, Gigabyte BX2000@133, WinTV primio, Pioneer DVD 10x, Iiyama VM 451 (1280x1024@100Hz

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