Nvnews have a new article out entitled Vertext Shader 3.0! Here's a snip.

A bit late to the party, but I have updated our GeForce 6800 Ultra preview with a new page that covers the features of Vertex Shader 3.0. My goal was to use the research material I assembled to present the information in a non-technical manner. But with the complexity surrounding GPUs, it is near impossible!