Pollution's got the right idea. Most of what the Cam would need would be covered by just implementing the MET rules changes. Approval numbers would just need a note in the XP log. Character rewrites (which happen a LOT in the Cam) can be handled by rebuilding the character from scratch. My suggestion about covering the addendum would be to contact the Camarilla and get an 'official' contact person to write the add-on data files.
The current addendum can be found
here.
Bah, too many projects.