Congrats Craig on your Tour de France frame...nice bike. As I have been recently restoring a few vintage french, my advice is to find another vintage french bike for transplant parts. If you go out and buy what you need from commercial/retail the cost will be prohibitive. Have some patience and a good transplant donor will come along. I run across decent french bikes every couple of months or so in the 25-$100 price range. In the meantime, you can decide what type of components you want or whether or not you want to restore back to original.
Jack Romans
Sacramento, Calif