Guardian
...Next February could see the arrival of a fresh ghost at the party, with the late Heath Ledger installed as the unlikely frontrunner for the best supporting actor award... "The Academy tends to overlook movies like this," admitted his Dark Knight co-star Gary Oldman. "But his acting is so good it's going to be hard for them to avoid it."
Showbizspy.com
...And Oldman adds, "I think it's an incredible performance. I think it sets a new benchmark. It would surprise me if he didn't get a posthumous Oscar for it."