Thanks to a very loose-lipped bunch of employees in the Versailles office I can confirm 100% that:
- The upcoming expansion is called Warlords of Draenor and will feature Grom as the antagonist, although for legal issues he will be refered to as Grommash. This expansion will see the heavy use of time travel.
- Reforging is changing, soon you will no longer need to keep hold of an item to "own" the transmogrification appearance.
- The upcoming Blizzcon secret gift is an Elite Tauren Chieftan Hearthstone gift card.
- The Dark Below has been registered for 'Titan', not World of Warcraft as is the rumor.
A big thank you for this information goes out to: