Still not completely sure how I feel about Don Scardino's 'The Incredible Burt Wonderstone.' On the one hand, I like the concept of rival magicians as the basis for a comedy, because magic is a ridiculous thing about which to become super competitive. However, the first trailer for the movie, which stars Steve Carell, Jim Carrey, and Steve Buscemi, left me thoroughly underwhelmed...ironically muc…