Z80 Retro Musings

What I want, I can’t get any more. All the 8 bit compact flash designs are from years
ago (the 2014 in RC2014 is a hint) and used cards of the day.
I was hoping people having a said CF i/o they could tell me what they use.
I can redesign my I/O card,but what can use for SMALL COMPUTER
i/o? Floppy? SD card? IDE drive (DOS).
The mail strike prevents me from ordering any thing on-line except PCB’s
that use DHL from China.