Not sure what you mean by derail, the Superposed is still being made in Belgium as a hand made custom shop item in all the original grades. Expensive, but they always were.
As far as the salt wood, they should have taken care of it under warranty. From what I remember, they will as long as you can prove you are the original owner.
The salt has had enough time to do its work. You can buy an older one today and by looking be fairly safe in knowing if there is a problem. I've seen some with light rust that people avoided, thinking it was salt wood, when the truth was lack of care.
The one I mentioned above has light pitting, but it came from honest hard use. It was hunted in the rain, snow and whatever came its way for many years and still is. Time took its toil, but it still kills Grouse.
Last edited by battue; 04/30/15.