Ok, I searched and couldn't find anything on this...
So, while leveling an alt I stumbled upon an area where mobs drop the "Nesingwary Lackey Ears" that spawn VERY fast, "Minion of Kaw". These can be turned in to Arch Druid Lathorius of "D.E.H.T.A" @ 15 a turn in for 150 rep (165 if you're human), quest is: "Can't get ear-nough". I round up 4-8 and just AoE them down, of course they drop quick. They usually drop 1-3 at probably an 80%+ drop rate. More often than not they will respawn on top of me while I'm mowing them down. I usually make a lap half way around while mounted (they tend to reset easily), then do the other side.
Tip: kill the mammoths around the area due to the fact that they will attack the mobs you are killing and will distract and or kill them. Seems useless, but they take a bit to respawn. Really just the ones behind where Kaw's mount is.
I've been spending an hour a day doing this and get about 4k rep in that time. I'm averaging 100 ears every 15 minutes. 400 an hour. 400\15(turn in amount)= ~27(turn ins) 27*150(rep earned)=4050 rep or 4455 if you are human. I can do this non stop with seal of wisdom on and spam Divine storm (although I never had any sort of issue with my health dropping).
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Why farm CE rep? Mount of course! I didn't play BC with my pally, and now I'm after "Mountain o' Mounts" achievement. Not certain if this is the most time efficient way to farm this, but I didn't really spend much time doing SV either. You get cloth, change, greens and vendor trash... so you can make a little extra cash while you do it.
I haven't posted in awhile, and I use this site so much lately that I feel compelled to do what I can to contribute... Be gentle >.<