I played AD&D back in the 80's and remember it nowadays as always been a blast. I've still got all the books, saved the lot of them. We played fast and loose with the rules. Combats seemed fast, even with multiple opponents. It's one of the reasons I'm thinking C&C. Of course I may just be looking back and remembering the good bits. We rarely got any characters anywhere near to 10th level before things fell apart and we started again. If I reread the rules now they seem kind of restrictive when compared to 3E and 4E.
Wow, nostalgia trip. Sometimes it's good to remember all those dark nights and afternoons playing D&D as a kid.
Whatever system we end up with I want combat to be alot faster than we've recently achieved in 3E and 4E.