Do you happen to be a reader who finds the popular accounts of theoretical physics in general and string theory in particular too shallow? Do you want something at a deeper level without learning the full mathematical machinery? Consider buying four DVDs with
I think that Prof. Gates is not only a famous researcher but also a very decent, wise, and charming expositor of science. The DVD will probably be a bit idiosyncratic and thought-provoking, too, which may be another reason for you to look at the DVDs. ;-)