@felix9: Excellent affair (yes, both Rich's and Erik's talks were recorded. Also, an E2E was filmed with Erik and Rich). Erik's talk was surprising (including some "violence"). Rich has done some amazing work with Datomic, a database written in Clojure.
As usual, Dave et al pulled of a great evening for developers. I'm glad he invited C9 to the show. Let's see if I can convince Dan to send me to Aarhus for GOTO;