You completely don't regard the joker as Heath Ledger, which i THINK in the long run, could be a good thing..... i might get shit for this...
I have never been a massive fan of Ledger, i won't claim to be just because he's gone, i've only ever seen him in 10 things i hate about you, brokeback mountain and a knights tale, and hes a good actor.... but as the joker he brought something to it that made it completely THE JOKER, no heath ledger at all, just THE JOKER, which was amazing to watch, i fucking loved the dark knight, but i think there was so much JOKER that i think if they decided to bring back the joker in a sequel, he could be played equally as well by a similar looking actor doing a perfect impression of ledgers performance, i really think that. you may not agree.
anyway, the dark knight blew me away, these days i'm not getting excited by many films, as films don't dare to be bold enough to stand apart from everything else, but the dark knight did, it had images on the screen that dropped my jaw: The batpod coming out of the batmobile, the batpod flying out of the alleyway with the wheel on fire going sideways then stopping - the sound it makes is too cool, the entire truck/armoured car/batmobile chase was amazing, the joker dressed as a nurse was hilarious, two face's all too fast instant nutcase was a bit hard to believe but done well enough, the makeup effects on his face were frighteningly good for a 12's! films don't push boundaries enough, well, except for the coen brothers films as they more often than not require thought and i like that.... but the dark knight brought up some really interesting themes that are pretty relevant to todays society, and some interesting psychological views as well, which is pretty interesting to read up about.... about masks/good & bad/heroes blah blah....
but the batpod. in batman begins when i first saw the batmobile i cringed, but looking at the original batman with keaton i much prefer the new batmobile! but the batpod rules all. apart from the going up the wall and turning around, bit cheesy. but still WIN.