As a producer, Peter Jackson is trying to do something that’s almost unheard of in Hollywood: Open a movie without the benefit of a single Hollywood A-lister in its cast.  (In fact, the movie’s poster lists only Jackson and director Neill Blomkamp in its marquee.)  And he may succeed — the movie’s getting great word of mouth, thanks to an effective viral campaign.  Jackson gave us a little insight into the movie’s storyline (CLICK ON THE MEDIA BAR BELOW TO HEAR PETER JACKSON)