Here are two quick notes - more will follow through the next few weeks.
Eva Lotta Kamm sent these fantastic notes - Thanks Eva.
Dr Paul Rennie shares the text of his talk here.
Ben Weiner wrote a review here
Lots of Twitter comments/colour here
added on 5/2/2011:
I'm busy/traveling in the US this week so maybe more notes in a weeks time.
Im back now - My notes to follow soon.
Lulu Pinney reviewed it here - worth looking elsewhere on her blog - some good stuff.