In Dustwallow Marsh, there is a quest (Corrosion Prevention) where you have to become energized by standing near a power core fragment and use an Ooze Buster to kill oozes.
(Tested by my 40 hunter)
If you are channeling the spell onto an ooze while you are powered up and target another ooze, the ooze you are targeting gets killed. Now this means you can kill all of your 10 oozes with only having to target one!
(I have tested trying to kill other mobs besides the oozes but it does not work.)
I know this is not beneficial to your average MMowner, but I hope this will be useful to at least ONE person. I have leeched to much from this website and want to contribute in some way.