Personally, I liked Heath's Joker a whole lot better than Jack's. However they weren't playing the same character; one was in the style of Adam West's goofy foe, while the other was the crazed psychotic who kills Robin in The Killing Joke. I also agree with the above that Heath shouldn't have been a supporting actor in that film; I'm a Bale fan but his work in Dark Knight was pretty poor - I could have watched Heath cause chaos for hours though
