Dodging back to the original debate: I have only seen B&R once - and it took two nights to watch, it was so painful - but I've caught BF (in pieces) quite a few times on cable the last few years. I'm inclined now to go with B&R, simply because it's essentially nonstop camp and ridiculousness. BF has a few nice moments, I concede, but those actually make the rest more unbearable rather than the opposite. A pre-surgery, hot Kidman is nothing to sneeze at, for sure, but the movie is really awful. Tommy Lee Jones is entirely wasted as Two-Face (but I still find that shot of Batman IN COURT hilarious). BF also contains one of my favorite Jim Carrey lines of all time: "If you don't picking at that, it's never going to heal," referencing Two-Face's skin condition.
And very late to the party, but we're discussing Batsuits: I love the TDK/TDKR suit, at least from the waist up. All spy and official shots from TDKR shooting shows that while it holds its shape and retains its armor-like appearance on torso and arms, the thigh and crotch area bend and ripple, making it very clear it's rubber, not armor. My favorite from all the other films remains the one from BR:

It doesn't work very well when Batman is actually trying to fight, but I think it's the scariest and most badass of the suits prior to TDK.
The BEGINS suit was just "meh" - too much of a retread of the previous suits for me. However, I'd argue the suit itself was actually a lot more supple and flexible than previous suits. Go back and see in BEGINS; Batman does a hell of a lot of crouching, bending and other such actions. This was deliberate; Nolan wanted a Batman that was more a creature of the shadows, and the suit did allow that. Where they gailed - due to time constraints - was solving the "can't turn my neck" problem inherent in all the suits up until TDK.