If you go back a year or two, 141's and 181's outstripped 071's for resale value, or at least were on par. The arrival of the 121's and the A's, combined with the likelihood of a new run of 141's / 181's has put paid to the resale prices to some extent.
If IRM or Paddy Murphy were to say that they were working on an 071 / 111 project and hoping to have it on the shelves in two or three years time, I reckon that would eat into the resale value of the 071's to some extent.
Not for all, obviously, but for many people, I believe that it would make a difference.
If not, then maybe next year they'll literally be selling for €750 a pop.