i think all of the pre-cataclysm luanch stuff is gunna play all thru next month 1st week the doomsday cult quests and stuff start then the next week the elemental rifts pop up all over the world(of warcraft) and next week the last week starts the BIG elemental fight begins and all along the way the worlds rockin and rollin! but its just a guess :s
this also puts more on the release cata on the 2nd of november!!