See what y'all think of my theory about these Nikon reissues:
It's not so much that Nikon is building these things to cash in on the collector market.
Rather, I think that even though most of their product line now is electronic cameras built on automated assembly lines, they still need to keep a core group of expert technicians and assemblers to handle spare-parts runs for older cameras, exotic and custom work, etc.
So, in between special runs, how do you amortize the cost of the machinery and keep and those highly-skilled techs happy and motivated? Well, one way would be to build limited editions of cool, prestigious stuff, such as S3s and SPs, no?
I know that if I were a camera-factory shop rat, I'd be pretty charged up about working on a project like that.
The implication here is that probably not a lot of other camera companies have, or need to have, a cluster of old-school skilled workers and the associated equipment, so they wouldn't necessarily have either the capability or the interest Nikon has in doing these things.
PS -- Yes, it's expensive, but if I had the money, I'd buy one like a shot. And yes, I'd run film through it!