It's not too bad. Open each form up in the form designer and click "File" then "Save as Class." Then, you can pick a class library to stick them all in. The VM wizards will do business with that VCX and show you the forms in your model. You won't be able to then save the form classes as a regular form without some fancy footwork.
I have to do stuff like this often when I'm trying to start a new model. Another one that I've gotten good at is converting code based classes to a vcx in order to create a model. (Thanks Tom Rettig! for the TRUE utilities.)
HTH,
M.
Marty Smith, CSQE