I'm not expecting any better answer than I got from...*shudder* the WoW class forums, but maybe I can get something definitive.
I'm thinking of faction-changing my paladin from Alliance to Horde - and since I'm not waiting for tauren paladins, nor would I switch to a tauren paladin even if I wait, that leaves me with the blood elves. Now here is my question: I did the quest chain for the charger a long, long, LONG time ago, and I'm wondering - if I want the Blood Knight Tabard when/if I make the switchover - if I would have to do the quest chain again in order to obtain the tabard, or if I would just be able to walk up to the vendor in Dalaran and say "gimme a new one, I lost mine".
Regards,
- J.