It's taken a bit of time, but the webcast from the Linux Kernel Summit is online at OSDN. There's some good talks in there, from some of the big wigs in kernel development - Real is required to view it, but instructions for download/installation are on the site.
"The fundamental principle of science, the definition almost, is this: the
sole test of the validity of any idea is experiment."
-- Richard P. Feynman