Well I reactivated my 5 accounts and tried this out today. I didn't keep track of any numbers but I got from level 61 to half way thru 63.

I have 3 shaman in tow and they drop five nova totem while my paladin/druid cast concentrate. I think i am a little low on dps b/c I have to usually drop a magma totem after the novas go off. I am going to install fubar and keep track of xp. The only snag that I hit was I kept pulling some level 72 elite.