BTW, what are you going to do with scenes that are only animated pencil outlines in the workprint, and which have no counterparts in the finished works? Or rather, are there such scenes? If so, how will you handle it? The outlines hardly show up in the workprint. I would suggest the rather painstaking task of redoing the outlines in photoshop (or it possible to do that within FCP?), but that's a hell of a lot of work.
It'll be quite interesting to see how you pull all of this off. Details, man, details.
