It’s not nearly as large as some recent Virtual Earth updates, but there’s still quite a bit packed into this one. No new 3D cities that I know of, but a bunch of new imagery. New orthos in a handful of places in the US, all of Austria, and various cities in Belgium, Denmark, Finland, Germany, Ireland, Norway, Portugal, Spain, Sweden and Switzerland. In addition, there is new satellite and Bird’s Eye imagery for a variety of locations.
You can see the full list of updated areas here.