It appears to be your standard 3d earth browser, but is oriented more towards data sharing and collaboration. It has a built in instant messanger to share your spatial data with others.
Leica Titan Globe
Search for a Place and zoom
Load a shapefile. It seems to be able to handle many different formats.
You can change feature colors (not based on attributes).
Click on a loaded feature to view attributes
You can also load photos and place notes on the Earth to send to others. Performance was not to bad, though navigation was a bit touchy and took some getting used to. It seemed to me to be a bit like ArcGIS Explorer, but without the extensibility.
Leica TITAN is available for download.