I think I've found my first craft idea for etsy. I'm making a note of it here so I remember. The patterns for these retro houses are from the book Vintage Christmas Crafts by Sara Toliver. ISBN #1-4027-2791-7. Su has some construction tips for them on her blog.
Update on the roadtrip: Ryan just called and asked me to drive up to Oxford this weekend to see the University Theatre Department's production of Noises Off. Cool.