Well, here is a shameless piece of self-promotion. Five minutes with a Rules nut, thanks to Tibi Covaci from Cloudcasts.
http://www.cloudcasts.net/ViewWebcast.aspx?webcastid=2521412533822906559
One of the best things about working in a company is that the people you work with conspire to make sure you never get too big-headed. So here is an alternative video made by one of my esteemed colleagues...who I plan to sue for defamation!
http://elfyourself.jibjab.com/view/fY0TwwvDaeOq4nWi
NB, the second link expires on 15th Jan 2010