Go on collectorcartraderonline.com and type in Ford, your price range, etc and see what comes up. Look around there at all the different years, makes and models and pick what you like best. Also when you look in mags, a lot of those cars in that rich people magazine called Street Rodder have MAJOR body mods to them like chopped, whole front end and rear changes, everything so if you see a sweet chopped Ford or Merc that is like a 50 and then you look for a 50 in car trader and see that they look completely different and you don't like them then the reason is because the one in the mag is modified A TON!
I hope that just made sense. But good luck on your project!