If you look at the current MoP Paladin talents... They're insane. They removed all of the randomness to their rotation and made healing with them cake. You get WoG plus insta-cast FoL plus a 20 second cooldown attack that also will group heal your 5 Paladins. Plus, for every HP you have you get an extra 10% movement speed? Stacks up to 5 times? They're going to be blenders.

They look head and shoulders above anyone else's talent previews. DKs are a distant second.