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.