NVidia released some awesome demonstration videos of their upcoming NV40 technology, which can produce effects such as motion blur, 3D painting, multiple lights, and much more:
Visit this page for a complete listing of the videos, and a zip of all the videos can be downloaded here.In case you missed them running live at GDC 2004, we created several educational video clips we think you'll find interesting. These clips are meant to explain some of the techniques that will be possible with our next-generation hardware. Full source code for these samples and more will be available in the next release of our SDK.