TnPshow is right. There have been a couple of threads lately bemoaning the rising prices of Datsun parts, but it's just the tip of the iceberg.

In the long run the best prices will be realised by the more sporty models & the rarer models, so, in my view, [& I have said this before] KB10's will finally catch on when the rest of the world realises that Australia is one of only two places in the world where they can be found, & within Australia, the rarity of the 1200 two door sedan will eventually see it rise more quickly than the others.

The popularity of the 1200 coupe will always see it do well, but in all cases, it's the cars with the best body shells that will be the most sought after, so spending a few sheckles on body 'restoration' will always be a good investment.
Hell, I have sunk a small fortune into my KB10, & the body is now dead straight & totally rust free. I think that the money was well spent.