Type:

5-Boxing

Class Mix:

A. Priest, 4 Mages (Daggerspine)
B. 5 Shaman (Magtheridon)
C. Warrior, Pally, Mage, 2 Locks (Daggerspine)
D. 5 Shaman (Daggerspine (shelved currently))

Focus:

PvP for Groups A and B, PvE for Group C

PVE Progression:

Group A is level 27 across in Thousand Needles
Group B is level 10ish (and one level 50) in Crossroads I believe
Group C is level 5 and in Durotar

Usability of this Mix:

Group A (priest/mages) is great, but the lack of AoE spots hurts a group with such coordinated AoE firepower. Fun in instances, but painful sometimes without a tank. Singularly focused on DPS and group heals.

Group B (shammy's) is....rough. I can see how nice they'd be at higher level, but getting them there is a massive chore. I read that they get better at level 20+, but they really fail to hold my interest so far.

Group C (mixed PvE) is going to be interesting. I'm looking at leveling them primarily in instances (I never got to do a lot of the instances due to a small guild). Micromanagement Hell, but I'm still working out all the needs/macros this group requires.