Check this blog post from Grigori with the links to the recorded sessions that are now available online.

From Grigori's post:

18 sessions have been recorded, 3 of which are already made available:

       Natural Laws of Software Development - Deriving Agile Practices by Ron Jeffries, Chet Hendrickson

       "We suck less!" Isn't mediocrity great? by David Douglas, Robin Dymond

       New Car Development in Toyota by Kenji Hiranbe

Now get some popcorn and roll the videos.