So you want to 3-box or 2-box?

Either way, have only 1 melee class. It's too hard to control 2.

If you are only doing 2 or 3-boxing, just pick the class that you want to play. If you want all dps, go with all dps. Or if you want 1 tank and the other to just be a healbot... or if you want 1 tank and another dps...