Anyone seen the movie "Lo" about a dude who falls for a girl who happens to be a demon. When she goes back to hell he tries to contact her through the demon Lo, but he's not having it. It was done in such an interesting, entertaining style, and it's funny as hell... the best dark comedy I've seen.
Check it out
http://www.youtube.com/watch?v=XhFsK7e8wUo I highly recomd it.