(Isabelle Huppert digs in to a pre-ball snack in vampire film "Die Blutgräfin" ) By Michael Roddy There could not have been a more vivid onscreen fashion statement among all the almost 300 films shown at this year's Berlinale, which ends on Sunday, than French actress Isabelle Huppert in a blood-red dress with endless blood-red…Read more Underground Vienna is preserve of vampires and blues singers in two Berlinale films