Ok, so Swan & Dolphin was there before today and then the Italy part seems to be a user created design and not a model by Google or Disney. I never had Google Earth before today, so I had no idea the...
Sorry if my post seemed a little vague. The two 3-D buildings are already on Google Earth with the new version. The official site as far as I know hasn't changed from that coming soon message yet.
Looks like so far they are still testing and trying things out. Part of Italy and the Swan and Dolphin Hotels look to be the two only things in 3-D so far on...