Originally Posted by
hppa
Check the reputation tab of a character on the armory. Above the individual reputations (org, uc etc) there's a general tab called simply "The Horde". It has a reputation status of its' own and until it's filled out I don't think it would pass over to PvP reputations.
I'm going to try and max out all my horde/AV reputations by doing Argent Tournament quests and turning in cloths. If this turns out to be a shortcut to defiler exalted alternatively Conqueror, it's a goldmine.