Nelson, I don't know if he has any plans to go on line with his range, but the wagons planned for release/reintroduction are
1, Tara mines wagon-due end February 2017
2, Ammonia tanker, mk2 version with lighter resin tank.
3, Fertliiser wagon
4, Bogie cement wagon
No further info at this time
There is more than one supplier out there, and if there is a market, some one will produce.TDR