So I managed to hit 85 on my alliance hunter finally today. My total played time to 85 was 3 days, 19 hours which is without a doubt an all-time record. Clearly the nerfs to the Cataclysm zone leveling time had a big impact here as I suspect it decreased my time through Uldum and Twilight Highlands by probably 7 hours total.
So I'm going to go back into the rotation and continue working on the other 8 toons for the next 10 days or so until MoP drops.
I'm still also working through what my rotation is going to be for the toons to get to 90 once MoP releases in a little over a week now.
Here's my current thinking:
Death Knight (these three are the toons that I currently tend to raid / run dungeons on the most, so I think it makes sense to get these three to max level the most quickly)
The non-gathering professions covered by these 3 include Tailoring, Enchanting, Alchemy and Blacksmithing.
I think the next set is really going to be profession driven, so here's what I'm thinking for the next group:
Hunter (alchemist as well)
then the last 3 are just all gathering profession toons, so what I'm thinking will be:
I'll then probably go ahead and do a Horde panda monk before switching to my alliance toons, where I will likely do Hunter and then Death Knight on the Alliance side.