Your DPS will be hard to manage, you want more 1 key spam. Mage or locks. If you do go with the 2 hunters, make them MM and forget the pets. I mean, you have pets and they just run around melee'ing mobs but they are not a huge part of your DPS. MM/SV are both higher DPS, and easier to box with. This is from a long time BM huntard.
DKs roll DPS but there is not a real good way to 1 key spam them either, have to make sure that spell a then spell b before spell c.