I was a speaker at briForum 2007(http://www.briforum.com). I did four entirely new sessions this time, which means a lot of prep work. I typically spend 2 to 3 weeks researching each new session, although the fourth one wasn’t planned. We had a speaker not show and put together a session on the spot.
If you missed the conference, Brian will eventually have DVDs for sale (once he gets the video straightened out). There is a tremendous amount of technical information available from these videos.