Originally Posted by RemiO
I think reading the book just before watching the movie might not be a good idea, as you probably inevitably would be comparing and contrasting the two more than you should. So unless you're waiting for the DVD, I'd actually recommend watching the movie first, then go with the source material.
I made that mistake with The Hitchhikers Guide to the galaxy... I may have enjoyed it more had I not re-read the book about a week before it came out.