Sam, that Carvair is almost enough reason on its own for me to go back to South Africa... I've seen it and photographed it before, but not since its been tidied up and flown by Pheobus Apollo - if I could GUARANTEE seeing and being able to get some good photographs of it, I would probably go.
Props never get that many hits, even if they're interesting or rare ones. However, I've found that they generate quite a bit of e-mail. I can only presume that the few people who are passionate about big-props care about them alot. As for the rest who don't bother about big-props... HEATHENS!