After a long delay for reasons I am not fully conversant with I finally got the PCBs today. Unfortunately I'm away from home for two weeks or so and won't be able to do anything with them until I get back, but here's what they look like (unpopulated), anyway.
Things to do -�
1. Populate a couple of boards and the programmer boards
2. Program the programmer board to read the existing ROMs
3. Program the CPLD to make the board work
4. Program the programmer to write to these new boards
5. Test test test...