Ok, I'll bite...
What do you want to do?
Resto is almost undeniably the best build right now for 2v2. Restokin is very viable for arenas and BGs. Feral is good support in 5v5 (from what I hear) if you have a warrior and a rogue to maximize Mangle, but generally regarded as weaker in other arenas. In BGs, a healer > a DPSer almost any day as long as your teammates are not idiots (which they very well may be).