I have a group with a paladin tank priest healer, and druid shaman mage for dps, but I am going to drop the paladin for a DK. They are currently lvl 52, so I am going to get them a bit higher to lvl 55 and park em at lights hope chapel.

My current "main" team is a 70 paladin tank a 60 paladin healer and 3 locks. I do miss the lack of AOE healing sometimes, especially when im doing hellfire. Right now i just consecrate on both paladins, and then each paladin heals a warlock, and hopefully i can get to the third before he dies. I picked the group because i wanted a second paladin for boosting toons on my main account, and warlocks so i could have free mounts, because i am primarily interested in getting them leveled to 70 ASAP, for farming gold, gear, etc.

I will most likely swap out the paladin once I get another toon on that acct to 70, so i can respec the paladin to prot for boosting. I will be experimenting with resto druid for mobility (HoTs, and DoTs from locks sounds nice) shaman for utility (totems mmmmmm) and priest for AoE spamming. Consecrate + hellfirex3 + priest aoe heals = win IMO.