That wouldn't happen to be Gilneas would it?
Indeed it is.
Not the beta test, alas, but the public test realm for the patch that is likely coming on Tuesday, showing all the world changes; the ruins of Gilneas are accessable (the only one of the "new zones" - i.e. zones that are not changes of the previous ones - that is accessable without Cataclysm installed) because there are a couple of undead quests out of Silverpine that involve coming in here. I was exploring with my 80 BE pally, though, just checking this crap out, heh.
Running around this place, I kept thinking "Damn, I can't wait for flying mounts..."