And here is the folder on Cataclysm (the 3rd expansion to World of Warcraft) which landed at WoW-MP. The record currently contains general information about a page for 2 new classes and especially a summary of upcoming changes in areas (a lump on the extension).
This map is available for download in large format in the file. It gives an overview of the phenomenal job that Blizzard is preparing for this extension that promises to change our very vision of the game I would put the folder regularly updated with news on the key.