Oh yeah I just remember another Graphic novel I read. Punisher Welcome Back Frank which was really emjoyable.
Updated Rankings:
Watchmen
Punisher Welcome Back Frank
Spiderman (the one I mentioned)
Batman The Long Halloween
Batman Year One
I was going to pick up Batman Return of the Dark Knight tonight at a bookstore but for some reason I decided to wait off for a bit.
http://www.youtube.com/watch?v=F1gWECYYOSo
Please Watch/Share this video so it gets shown in Hollywood.