With more than 1,600 weekend screenings of Christopher Nolan's The Dark Knight already sold out (according to movietickets.com), it's quickly shaping up to be one of the summer's hottest flicks. So hot, in fact, that we had to stage a brutal dance-fight for the right to review it. Austinist contributors Luke Quinton and Darcie Duttweiler both caught IMAX screenings earlier this week, and what follows is a conversation about human nature, Oscar nominations, and shirtless Christan Bale....