IOMspotter
Surely a cheaper option would be to simply replace the 300 series aircraft with another 200. Not as nice for the paying public but accountants do not look or care about that
Club 328 has been sold by the new owners to
PlaneChartering Ltd so it is doubtful if they have access any more to 328's.
If EMX survive and continue independently then I think it will be what I have said before, the "Ticket Agency" route