Groups: (all have a paladin tanking)

4 Priests
VT and VE times 4!
Easy to Play (Only 2 classes, all casters)
No Wipe Recovery
No CC
I'm running a Pal 4 Shadow priest group atm. I have a 70 shadow priest on the Pal's account that i plan on swapping in later for PvP. With a Pal tank CC is more of a pain than a help with a Pal tank. Pal's Concecrate will break CC unless you move alot. but they keep mad agro verry easily. I concecrate and tab dot with the priests and renew/flash heal with all my priests. VT will give back so much mana that even popping in and out of shadow form will not matter.

You can't jesus rez but if anyone is left standing you can rez with that toon. 5 Prayer of Mendings will be more than enough to handle SW backlash.

But play what makes you most happy.