Agreed - its almost like he knew that was the last time.
The Dark Knight was only wasn't Ledger's last completed film. His final performance was in Terry Gilliam's The Imaginarium of Dr. Parnassus, during the production of which he died. I saw it recently, and it's a great performance. He was just blossoming as a major star, and was a far better actor than Johnny Depp.
...dot com bold typeface rhetoric. You go clickety click and get your head split. 'The hell you look like on a message board Discussing whether or not the Brother is hardcore?