Warlords of Draenor Release Date: 11/13/14

Blizzard announced that Warlords of Draenor's release date would be November,13th,2014. If you preorder you can get a character boosted to level 90.  The expansion also offers higher detail, updated animations, and new visuals that reflect the soul of the characters original models.  One feature being added is the ability to build and maintain a Garrison and go to battle.  You can opt into the beta here.  Or get a lot more information about the expansion and preorder here.