This is a quick movie I created for my Youtube subscribers @ youtube.com/Faxmonkeyx. I figured I might as well post it here too. It demonstrates a fairly simply method, using 2 level 80 characters, to avoid waiting in queues. Pretty useful depending on your faction/battle-group. Obviously Blizzard will fix this at some point, so enjoy it while you can. It's working as of 4.01a November 8th, 2010.
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Edit: *ATTENTION* As of 11/16, the 4.0.3 patch fixes this bug. THIS NO LONGER WORKS.