Count me as another that is excited for this project. Ever since we started messing with FaceGen I have been hoping someone could speed up the process. Lefty_Hurler had a beta program written but disappeared before it finished.
http://www.ootpdevelopments.com/boar...ad.php?t=32053
I also prefer the angled facing options over the straight on faces. If I understand your outline though, if your program finishes as planned it appears each level (face, uniform, background) will be editable.
Looking forward to your progress on this
Good Luck!