The Knight/Warrior classes are my favorite in the game by far. Before they nerfed some of the tougher bosses in the Knight story line on my Guardian, I got great satisfaction from taking them down solo- especially the final boss (the identity of which I won't spoil- pre-nerf he was a real pain in the rear to take down). It truly took a lot of thought and good use of all my abilities to beat some of those guys. It also took a lot of deaths, but now that I've got my Guardian play style down, I don't even think about it, it's all muscle memory (so to speak). Playing other classes is just so simple, it's almost boring. I'm leveling a Marauder now and loving it (not quite 20). The play style is similar enough to my Guardian that I know what I'm doing, but different enough that I still have to learn how to manage things like Fury and when to use things like Cloak of Pain and Berserk. Even so I've taken down plenty of much higher level players 1v1 in War Zones. I played a Shadow up to Chapter 3 in beta also, and it's a fun class, but in general I prefer the Knight/Warrior. I also have several other alts, but for me none are as much fun. Yes, the Knight/Warrior classes have a lot of abilities, and yes I use almost all of them regularly. I don't, however have them all key-binded, with a couple of exceptions (interrupts in particular). I do very well mouse-clicking though. Then again, I've been playing mmos for about fifteen years and I can't ever remember feeling the need to key-bind everything, even when I spent several years raid tanking three or four nights a week in EQ2. Mouse clicking just works better for me, but to each his own.