I personally miss the PvP from vanilla WoW. It was one of my favorite things about WoW, the armor took ages to get and you got a title depending on the amount of kills you got. I also prefer the older BG's I don't really like stand of the ancients or Isle of Conquest, Eye of the storm is ok..
Post your old pvp memories below, what you loved or hated about it and what you're hoping to see from cataclysm PvP!