I was reminded of this after watching the Commodore Show 'n Tell video with Bil Herd and Dave Haynie. The C128 Neo board is now for sale. See
https://www.tindie.com/products/griffinretro/c128-neo-pcb/
Truly,
Robert Bernardo
Fresno Commodore User Group - http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network - http://www.portcommodore.com/sccan