The headless pilots reminds me of the joke sign I've seen that reads, "If you can keep your head while everyone else is losing theirs, you just don't understand the situation."
![Smile [:)]](/FSM/CS/emoticons/icon_smile.gif)
Seriously, though, I can't wait for Part 4. I've also been looking closely at your techniques for constructing the building--I've got plans in my head for a diorama, although building it is some years away, even though the plane I will be using is waiting in my bedroom closet--but my diorama will also include a building.