Well, Ebert & Roeper* have given THE DARK KNIGHT two super Thumbs Up, with Roeper calling it "worthy of a Best Picture nomination."

http://www.youtube.com/watch?v=UELDTKPC-lo&eurl=http://www.awardsdailyforums.com/showthread.php?t=6350&page=22

*=Or Roeper & Phillips, since Ebert has been MIA since 2006 due to his numerous cancer operations.