For those of you don't know about blackhat briefings, they 2 day security conferences help all over the world. With some of the most upto date info going.

Anyway on the web site they have not only streaming meadia of past presentaions, but they all have all the slides to download.

There is ALOT of good stuff on this site and it's all free , so have a look

http://www.blackhat.com/html/bh-link/briefings.html

SittingDuck