when i upgrade caelbran (sp?) from a hunter to a assassin i lose all control over him except movement and attacking... i don't get the little display area with fortify heal etc...
his entry in the civlopedia is also blank...
anyone else have this problem or know how to fix this?

I've experienced the same problem too. I was able to refresh the action bar by going into the civlopedia and exiting, which worked until I either moved him into a town or promoted him but stopped working...I'm not sure if the same problems exit when upgrading him to a ranger.