If you do a fair amount of Blackberry Enterprise Server management then you’re gonna’ want to think about the new certifications that are being offered by Research In Motion. There are now training classes and an accompanying certification:
http://na.blackberry.com/eng/support/programs/training.jsp#tab_tab_admin
There’s also a track for users:
http://na.blackberry.com/eng/support/programs/training.jsp#tab_tab_users