The problem with the available PE for the 1:72 version is that it is several sets, and I think the cost of the sets is more than if it were all one set. I have the 1:72 kit, and am working on ways to make stuff similar to PE. I did buy a Micro Mark PE-making set, but it is a LOT of work. I am experimenting with a Cricut vinyl cutter to cut thin styrene sheet.
Biggest problem now is finding a new CAD program- affordable but with the features I need. I used to use Autodesk's Autosketch. But the old version will not work with Windows 10 and they have raised the price of the new version out of my price range.