Questions from a Newb

[Maxwell SH]

Well, I might have gained two friends to join in with me, one a healer and the other CC, leaving me as the tank.

So for you that have been playing lately... Whats the ideal tank?

I know Warriors = Endgame raid tanks which would be nice if we were to get that far.

But how do ShadowKnights and Paladins fare up as tanks? Are they viable in a dungeon group or are you always just gonna be better off with a warrior?

If they are viable, Which do you think is better?

Any advice would be greatly appreciated!