New features (as of September 13, 2006)
Japanese language support (Japanese version is available here - earth.google.co.jp )
Layer data for Japan, including countrywide 3D buildings
Featured content layer (now available in all versions)
A new interface for viewing time-stamped /time-range image overlays
Improved printing option for turn-by-turn driving directions with satellite imagery
New KML folders options with radio button style placemarks (under my places)
Support for Hi-definition (HDTV) movie output (Pro version only)
Support for Web Mapping Service(WMS) image/data overlays (now in free version too)
Universal Transverse Mercator (UTM) coordinate system grid overlay