Well, as I said "Gordon told me there are no coincidences (so I'll be a good boy now and listen to his wise advices)" scene, especially talking out loud to thugs and not to himself. To "lame-Robin like". Thinking out loud...cartoon-like.
There are some others...
Indeed I'd agree I'd end the movie with Alfred look, though I understand that Nolan wanted to let us know Bruce is with Celina Kyle, and not only with just someone. I felt the ending is a bit too obvious.