Sweeney ponders blood-letting | Photo courtesy of DreamWorks Though it did decent business at the box office, I'm thinking that Sweeney Todd will kill on DVD. It's Burton's best film since Edward Scissorhands. I enjoyed Depp in the Pirates of the Caribbean series, but it's nice to see him in something less hammy. I understand that David Cross did Alvin and the Chipmunks because he needed the dough, but what's Jason Lee's excuse? He......