Just ran across this presentation by Damian -- pretty impressive. I used to follow Damian when I was programming in Perl and he frequently blew my mind with some of the things he was able to accomplish. Same thing here.
More Instantly Better Vim This video includes a link (http://is.gd/IBV2013 -- You'll get a warning page before being sent on) to a complete tarball with the slides and every plugin that he discusses.
He also presented at OSCON 2012: Instantly Better Vim No video, but a tarball with his materials. Haven't reviewed this, but I expect it's also very interesting.