The long exiles of the Darkspear trolls and the Gnomes of Gnomeregan is drawing to an end. Vol'jin and High Tinker Mekkatorque are gathering their wits, their resources, and their allies to launch the fights to free their homelands from those who would keep their people mired in exile.

Take a moment to read up on the twin battles for Gnomeregan and the Echo Isles that will take place as Cataclysm draws near.
http://www.wow-europe.com/en/info/underdev/index.html#cataclysm