Monday and Tuesday's PDC 2008 keynotes can be watched online.
The keynotes can be watched on PDC 2008's site, and the schedule is as following:
Keynote 1
8:30-10:30 AM Pacific Standard Time (UTC -8) Monday, October 27
Ray Ozzie, Amitabh Srivastava, Bob Muglia and David Thompson
Keynote 2
8:30-10:30 AM Pacific Standard Time (UTC -8) Tuesday, October 28
Ray Ozzie, Steven Sinofsky, Scott Guthrie and David Treadwell
Mike Swanson, a technical evangelist for Microsoft, offers a mobile version of his blog, containing latest news from PDC 2008. Also, Mike made available a sessions list for offline viewing.