Terry, my saloon shell has only done about 8000 dry, salt-free miles before it was stored away in the early '70s when its owner gave up driving after having a scary moment involving a shattered screen and an eye injury. The car was carefully dismantled and all of its parts sold, leaving a lump of spotless steel that was too far from any venue where it could have been weighed in or reused in an economically viable way. Fast forward to the late '90s and I bought the building in which it (and some other good stuff) had been stashed. The - by now deceased - owner of the cars and parts had already had their estate divvied up among the family, at which time the building and contents weren't on the inventory. The remaining relation didn't want to be involved other than in taking the money for the building.
So the shell, although suffering from a small amount of surface spotting as a result of squirrel interest, is unwelded, needs no welding, has no faults and has the remaining, unbroken pieces of its glazing stored elsewhere for safe keeping as for years I thought that I'd finished with my Minor phase!

So yes, it's as good as they come and ideally, I'd sooner fit an original engine and 'box to the Traveller, flip that for cash and be left with its Datsun parts to fit into my saloon shell. An engineer's report isn't a problem, so neither would be insurance and while the idea of a Traveller is an appealing one, I agree that it is somewhat expensive unless it's exceptional structurally. I'm going to investigate further.
TractorMan, I too am certain that it's been around eBay on at least one previous occasion and this does unsettle me a little as Minors (and any other interesting and worthy old jalopy I suppose) that keep reappearing tend to be those which have more issues to them than are at first apparent. Naturally, I'm not commenting on the green Traveller or any other example before I've had a good poke around for myself but the doubt is there.
VVS (my saloon's none-transferable plate starts with these letters), on the other hand, drips Ensis V (and a little squirrel pooh) from every orifice as do the doors and other separate body parts that I've been saving for the day when the car eventually gets to work for its keep once more so, apart from the odd teething troubles that anything modified can throw up, I'm confident that it would be a car that would last well on a diet of regular servicing and no nasty shocks are waiting to jump out at me and cause me to get the welding gear out.