Quote Originally Posted by Grundel View Post
Warrior, Priest, Warlock, Mage, Mage most likely all undead
or
Paladin, Paladin, Warlock, Mage, Mage most likely all human
I'm planning to play the first group you listed, primarily because I want a warrior main available for (solo) raiding later.

I'm attracted to 2x mage partly for 2x sheep. Am I wrong to think this will make dungeons (while on the low-side of their level range) materially easier?
(I'm planning to set focus targets while marking enemies, and have "CC @focus" broadcast on a keybind.)
Mages seem to provide top-notch options for CC, focus-fire, and AOE, and thus 3 distinct ways to address an encounter.

Quote Originally Posted by Moorea View Post
2 warlocks have stacking benefits, not mages, afaik
What stacking benefits did you have in mind for Warlocks?
I can think of some for Frost Mages: Frostbite+Shatter, Winter's Chill (Freeze+Crit frozen, +2-10% Crit). But I don't see any similar mechanics for Warlocks (assuming Curse of Agony > Curse of Shadows with just 2 warlocks).
Perhaps, there is significant added/stacking utility in: DOTs vs direct damage, multiple pets (imp+other, 2x void for offtanking), 2x soul stone?

In particular I'm curious about DOTs vs DD when boxing 3+ casters. Do you experienced boxers find this makes things smoother?
(e.g. mostly insta-casts so higher mobility, spam DPS button on GCD, fewer wasted casts on a dying target, etc)