This is an old post, preserved for reference.
The products and services mentioned within are no longer available.
I am now shipping the V2.4 version of the Minstrel ZX80 Clone PCB.
see previous article). I am currently working with the creator of the ZXpand to address this.
this one from DigiKey), but some people have had difficulty locating those.
full instructions here).
2022 Update: At the time of writing, there are still a few Minstrel 2 (ZX80) and Minstrel 3 (ZX81) kits available from The Future Was 8 bit but those are the Final Edition kits, there are unlikely to be any more.