Thinking seriously about buying a 1980 Fleet that I came across. New to this. I had a jeep trailer with a Tepui on top but sold it to get something more mobile. Just curious if there are any vendors that would provide replacement/upgrade parts and accessories? I really like the vintage look and windows. Plus the older Fleets have more room in them. Any guidance or links to similar builds would be greatly appreciated. For example, are there any companies that would replace the pop up section?