Well i wish you all the luck in the world to find O.E. FORD panels, and i hope you got a lot of dosh! as you be looking at realy good money for FORD panels, the close thing to ford O.E. panels is expressed panel, and them its self are not cheap but cheap compare to wot you find if you lucky on FORD panels?
I can not see wot is wrong with useing after market panels, as it is not that hard to fit'' or make them fit, as you would with any other panel....
if you are very handy on restoreing a car it should not make any diffrence on wot panels you need to use!
But if you are happy to look for O.E. FORD panels i hope you find them, and show us how you get on!