Are paladins good in World of Warcraft?

Paladins are stronger players once you hit level 75 onwards - from this point DKs stop being overpowered, and paladins take charge. I mean, paladins wear plate (the toughest armor), can do very, very high DPS, can tank, and also heal (others and themselves). Note: I myself don't play as a paladin as they're so common I find them dull. (Yes, I know there are good paladins and bad paladins, but even a bad paladin can bubble and hearth when they're in trouble. 1-2-3 easy.)

Paladins have been nerfed in the last few patches, but they still outrank DKs, which I believe could do with less nerfing, more pew-pew... overall paladins are stronger than almost any other class, in terms of the spells and abilities you have to work with.

(PS if - a very small chance, I know - you meant are they supposed to be "good" as opposed to "evil", they're playable by both factions and don't really have a good/evil aspect. If you mean will they appear as good or evil in the upcoming WoW film, who knows. But I believe a human warrior will play the lead "goodie". )