Well I thought the discussion about DRM was interesting and well worth watching, if only to see what ideas they've absorbed. The 'users=creators' and 'long tail' stuff is pretty much just Web2.0 fluff though, hasn't the long tail idea been thoroughly debunked?
You saved them with your comments about securing videos of your kids or medical records, though that sort of security is on a rather different level than the one-to-many system needed by the movie studios.
Slightly ironically, I was intrigued by one of the posters I saw and typed 'winpmg' into google - it produced 2 pages of warez sites... I'm still not sure what winpmg is, but it's clearly something worthy of a big poster.
The video and audio playback optimisations were indeed impressive, I'm going to have to learn a bit about this MMS kernel stuff they mentioned.