Brokeback has pulled ahead of TDK!
Vanity Fair has a poll
What Was Heath Ledger's Best Performance?
http://www.vanityfair.com/online/culture/2009/06/29/ledger-poll.html
What is Heath Ledger's Best Performance?
The Dark Knight 36% (398 votes)
I’m Not There 1% (6 votes)
Candy 5% (53 votes)
Casanova 1% (8 votes)
Brokeback Mountain 41% (444 votes)
The Brothers Grimm <1% (4 votes)
Lords of Dogtown 2% (17 votes)
The Order <1% (3 votes)
Ned Kelly <1% (2 votes)
The Four Feathers 1% (6 votes)
Monster’s Ball 2% (18 votes)
A Knight’s Tale 4% (41 votes)
The Patriot 1% (16 votes)
Two Hands 1% (8 votes)
Things I Hate About You 6% (68 votes)