Not to be undone, Wowhead News has this equally mammoth preview with video, a breakdown of the entire process, and the rewards to be earned. Overall, if you're looking to go farming, check out these two guides.
It's open warfare between Alliance and Horde in Mists of Pandaria, World of Warcraft's next expansion. Jump into five new levels with new talents and class mechanics, try the new monk class, and create a pandaren character to ally with either Horde or Alliance. Look for expansion basics in our Mists FAQ, or dig into our spring press event coverage for more details!