I'm not sure all of you are aware of it but clojure-conj 2014 started yesterday..
and the videos are already up:
Not all of them are interesting but the effort is amazing.
While we are on the subject on presentations, take a look at this:
It's a presentation that compares om with reagent. I'm not crazy about his simplistic conclusion, but at least for someone unexperienced (like me) with both of these frameworks it lays out the differences nicely.
Enjoy
--
Haim