This one sounds neat, allowing for "pet" classes for all using minions instead. Might be worth checking out the beta:
http://www.gamespot.com/pages/gamespace/updates.php?pid=926725&sid=6157724&tag=topslot;action;5 (http://www.gamespot.com/pages/gamespace/updates.php?pid=926725&sid=6157724&tag=topslot;action;5)