Laugh, cry, or gasp -- in horror, delight, or incredulity -- but chances are you won't be bored by Darren Aronofsky's sui generis extravaganza, "Black Swan." He feels pretty good about it, anyway: he's relaxed, dapper looking with his new moustache, and cracking jokes as he answers questions at a press conference for the film at the appropriately rococo, near kitschy lobby of Hollywood's Pantages Theatre.