My top three most anticipated scenes that we know of now are:
1). Bane vs Batman sewer fight: This seems to be one of the most epic scenes of the entire film. The fact that Catwoman there is what makes it really special for me. I love that all three characters are in one scene together. I love that the three biggest players have such an awesome scene together. It's not just Bane and Batman there, and it's not just Catwoman and Bane there. It's all three of them there. That's awesome! The fight is going to be so cool.
2). Bruce climbing out of the prison. This scene will have a lot of emotional resonance I bet, and it will probably be really inspirational. The entire prison sequence seems really cool and big.
3). Bruce visiting Gordon in the hospital. I love it when Bruce and Gordon have scenes together. They are very different from the Batman and Gordon encounters. This looks like another very emotional one, and I think it will delve heavy into the relationship between the two. Even though Bruce is wearing a mask, I think he'll be more in "Bruce mode" here, then "Batman mode".