HEY! This video looks at the pub/sub core features of DurandalJS. It doesn't go into the nitty gritty, just shows how to do simple global eventing. The pub/sub nature defined in this video is similar to what someone could gain from the Twitter Flight framework.

You can check out more vids on my channel, or go to http://RyanKeeter.com; also...I'm lonely on twitter.... @ryankeeter