Another one down for the count.
I think I read someplace a proposition that you should try to use either as they are or kitbashed some of the products of this community in order to recreate some of the models that your shiplist has. Seeing that your shiplist is 4000+ ships big, you really have your work cut out for you. That's entirely up to you and the time you can allocate to this project. However, I am just reposting an idea I read someplace, posted originally in 2006, IIRC.