Startup School 2010 Talks (videos)
justin.tv
justin.tv
Chris Wanstrath (Github)
Mick Mountz (Kiva Systems)
Ayr Muir (Clover Food Labs)
George Bell (Excite)
Bob Metcalfe (PARC, 3com, ethernet, etc.)
Bill Clerico (WePay)
James Lindenbaum (Heroku)
Alexis Ohanian (Reddit and now YC ambassador)
Stephen Wolfram (Wolfram Alpha and Mathematica)
Kevin Hale (Wufoo)
Ric Fulop (A123 Systems)
David Cancel (Performable, Compete)
There are also more archived talks from previous years.pg's state of the funding was very interesting but can be found in writing on his site.
Adam D'Angelo had some good insights (if you're not sure yet, go work for a startup; at first, it's ok if it doesn't scale) but his presentation was so-so.
Mark Zuckerberg was interesting though I'm not sure you'd get as much good useful bites as others.
Finally the Imeem's CEO (whose name I can't remember right now, sorry) had a great presentation and delivery. If you were not thinking about doing a music startup, the insights are somewhat limited. Very fun guy though.