I have a surplus of the above board (bare PCBs), so would be happy to cut a deal to any builders looking to take quantities of them eg 10, 20 or more boards. PM if interested.
https://www.lo-tech.co.uk/product/lo-tech-trs-80-ide-adapter/
https://www.lo-tech.co.uk/product/lo-tech-trs-80-ide-adapter/