I've been a fan of Al since before he was weird - strike that, he's always been weird.
Still, this is a movie I'd like to see.
funnyordie.com/videos/3231da28bb/weird-the-al-yankovic-story
'Till then, there is the Behind The Music profile of Al
The Weird Al Story 1/6 (http://www.youtube.com/watch?v=2S2fYT3f7hg#)