Bleh, not that impressive of a demo. "Look at us, we can write multithreaded apps!"
I was more impressed by this nVidia demo I saw recently. It uses the new DirectX DirectCompute extensions to hook into the GPGPU stuff (think CUDA) on modern nVidia boards to run FFT calculations and generate a realistic ocean in realtime:
http://www.youtube.com/watch?v=xvDJzpBOieU (watch in HD of course)