Hey, nice work on the lists. I had an idea to do this a while back, but then I came to my senses!

It's a lot of work!
It really depends on exactly what you want. If you want an aerobatic knock around plane that's easy to work on and fairly cheap, I recommend either the Great Planes Giant Stik or the Hangar 9 Ultra Lite Stick 120. If you want a more serious aerobatic plane, I'm sure happy with my Giant Scale Planes Katana 72" with it's Kioritz 23.6cc. If you want a warbird, the Great Planes Fokker Triplane is fun with a 25cc engine.
Thanks,
AV8TOR