Place your final bets on what the new expansion will contain.
What i think we will get:
Level cap 70.
Dragon Isles with 6 zones located west of Quel'thalas and 1 new zone in northern Lordaeron.
8 to 10 dungeons and 2 raids.
Playable Dragonkin race.
New specs:
Dragon Knight for Warrior.
Chronomancer for Mage.
Earthwarden for Shaman.
Dark Ranger for Hunter.
Necromancer for Warlock.
Spellbreaker for Paladin.
Dragonflight covenants with armor sets based on each of the 5 flights.
Dragon Aspect cloaks powered up with a new type of collectable power, be it Aspect Power or Draconic Power.
Bard as a new profession, but this is a big maybe.