I'm running a frost spec DK, 3 retribution and 1 holy paladin as a healer. I'm having a seriously hard time with heavy aoe boss fights like Novos the Summoner, Ingvar the Plunderer, Drakkari Colossus, Slad'ran etc. The problem is paladins dont have any aoe heals.

Is there anyone in here with the same setup? How do you do it, spec all paladins as retribution? How do you deal with heals, AoW proc FoL on the tank, and burn the boss down as fast as possible?

Any input would be great.