8/29/08—ArcGIS Online Services Premium subscriptions are now available: 

• Microsoft Virtual Earth Maps services for use in ArcGIS Desktop and ArcGIS Explorer can be previewed in the content showcase on the ArcGIS Online Resource Center home page.
  

• USA Prime Imagery service from i-cubed for use in ArcGIS Desktop or with ArcGIS Server can be previewed in the content showcase on the ArcGIS Online Resource Center home page.