If you did, it's available at iTunes (for wicked cheap)*.
If you're waiting for the DVD**, I have no idea when that'll be released, but there's this to tide you over.
Oh, okay, here's a teeny-tiny part of the actual movie as well:
*Actually, it looks like some people have uploaded it to YouTube in the three parts, but I don't know how long the videos will stay up, so I'm not going to bother linking.
**I'm totally buying it. Josh and I both loved it. According to all of the articles I've read, the commentary tracks will also be a musical. I might faint.