NVIDIA and PAX East, the presentation/release of the GTX 480.

Video #1
http://www.youtube.com/watch?v=69VlJLdjle8

Video #2
http://www.youtube.com/watch?v=bzbWWy46Kqk


More can be found here: http://blogs.nvidia.com/ntersect/2010/03/gtx-480-a-passion-for-the-future-of-pc-gaming.html