I've posted slides for the Rafe Kaplan's main talk and three of the lightning talks in the meetup group:
http://www.meetup.com/appengine/files/The Twilio + AppEngine slides are available on slideshare:
http://www.slideshare.net/twilio/twilio-at-the-google-app-engine-meetup-200910We hope to have video for the talk up on the web at some point.
Best,
Bill