I've been dual boxing a couple of Lore-Masters and having a pretty good time. The LMs just rape regular mobs when they have their Friend of Nature pet out. With their crowd control abilities and limited healing for others, it works out pretty well even in areas that require a small fellowship. I'm not doing any instances because I just don't really care about them that much. Skirmishes are a breeze as I picked a warrior and healer for their two companions.