I have to give mine to QT. I'm not a big Kill Bill fan, but IB and DU are just genius. His style is unlike any other- the combination of brilliant characters, hilarious dialogue, all the monologues, the anarchoristic music, the violence...... it's the style of movie I would make. Brilliant, monologue driven performances, intense action, and loud, unexpected music choices.
David O'Russell has hit it out of the park his last two movies, as well. He may not be a brilliant visual/artistic director, but he makes emotional, crowd pleasing movies as well as anyone. Plus, he brings out great performances from unexpected people. Nolan and Abrams have my money for any film they direct, too.