The Bachmann website is still running like treacle.
Release dates that I managed to get from the website:
3CEP & 4TEP - Oct/Nov
158 - Central Trains Aug/Sep, Transport For Wales Nov/Dec, all others Oct/Nov
9F - Aug/Sep
Suburban Mk1 - Aug/Sep
37 - Aug/Sep
Dinorwic Quarry Wagons - Oct/Nov