This is great progress moving forward to getting standardized format for publishers to provide cartridges across many LMS systems. Congratulations to Desire2Learn!
Desire2Learn this week announced that its Desire2Learn Learning Environment has been certified by the IMS Global Learning Consortium to comply with the IMS Common Cartridge Standard 1.0.
http://campustechnology.com/articles/2009/08/12/desire2learn-gets-ims-common-cartridge-1.0-certified.aspx