Raffy Marty, author of Applied Security Visualization is teaching a Security Visualization and Log Analysis Workshop at SOURCEBoston on 9-10 March. Raffy's a great instructor and this is the first class I've seen on the topic. Check it out!
Richard Bejtlich is teaching new classes in DC and Europe in 2009. Register by 1 Jan and 1 Feb, respectively, for the best rates.