We all want news about WoD when in reality it's much better to not have Blizzard tell us what's in it and what's not. Look speaking as a Vanilla veteran (fuck I hate that term), what had me interested in WoW was the lack of information Blizzard gave out, it seems like everyone and their mother knows every NPC name by the time WoD comes out. Herein lies the problem, you want information but it ruins any sort of adventure you might get out of an expansion and I personally think Blizzard should keep information to a minimum instead of announcing every bloody thing to the players.
This isn't LoL where the game is based around pure competition, you need to announce any change that is upcoming into pure detail into a game like that. On the other hand this is WoW, an MMORPG (used to be more of one in my own personal opinion) where adventure counts more. An example, the cities that were removed, why would Blizzard even bother to mention anything like that? Why do they feel the need to tell everyone every single thing, just let it slide and leave it to be a mystery. Keep your beta closed to hide the information, look I think we can all agree Blizzard makes a damn fine game so we should be able to trust them to make a damn fine expansion without us having to know every nook and cranny before it releases.