Robin has written up coherent summaries of all four days of the GDC conference, as well as the Friday dinner I was at and the Saturday dinner I missed. (For future reference, this is a direct link to the last one.)
Here's one of her pictures from the conference:
Pictured, L to R: Chris Hecker (sitting), Chris Butcher (obscured), Jay Stelly (facing away), someone else from Valve I think, me (face only), Atman Binstock (facing away)