Leonardo DiCaprio's best performance?

Leonardo DiCaprio is my favorite actor. He's been brilliant in so many movies, including The Aviator, Blood Diamond, Catch Me If You Can, The Departed, Gangs of New York, Total Eclipse, and others. In my opinion, his best performance was as Howard Hughes in The Aviator. He should have won the Best Actor Academy Award instead of Jamie Foxx, whose Ray Charles 'imitation' was overrated.