I like Batman Forever because I thought Val Kilmer played the part well, but Batman and Robin was a humiliation to Batman fans everywhere. As if Joel Schumaker's gay neon set design wasn't already a throwback to Adam West (only not funny), Clooney is too in love with himself to be a good Batman and all of the villains in B&R were absolutely AWFUL. I had hopes that Schwarzenegger would make a great Freeze, but all the corny lines they put in his mouth - oy! - and what the hell was that bargain basement Bane even doing in the movie?
From the wobbling icicles hanging on car doors to the Poison Ivy costume left over from Bewitched, that movie just reeked. I believe the great Sheldon Cooper once called Joel Shumaker 'the man who single handedly almost killed the Batman movie franchise' - my sentiments exactly.
That said, the Nolan interpretation isn't horrible, but it does take itself a bit too seriously at times, and IMO Bales suffers from the same narcissistic smirk that I hated so much in George Clooney. I think he's the weakest player in the Nolan Bats films.
So far the bad guys have been excellent, but I think its always an iffy thing to populate a Batman film with more than one villain at a time, it bogs the story down, makes it too long and in the end one of the two (or more) characters gets short shrift, when they (and the audience) would be better served by giving them their own showcase. There are plenty of Batman Villains to go around and I don't think they can make too many Batman movies, so spread 'em out...