I know they are spread out across the forums, but since I was doing a bit of a push for aggregating all video into the "Videos and Multimedia" forum for ease of finding them, here are all the conference videos that were put up to Google videos after we had our conference (in November of 2005), mainly just for posterity sake:
Intro (by Bruce Klein):
Aubrey de Grey:
Ben Goertzel:
Brian Wowk:
Martine Rothblatt:
Brad Mellon: