Walter Belgers and Marcel van Kervinck's Gigatron (https://gigatron.io/ https://gigatron.io/) is also interesting. It's spirit is to use only 70's technology to

Walter Belgers and Marcel van Kervinck's Gigatron (https://gigatron.io/ https://gigatron.io/) is also interesting. It's spirit is to use only 70's technology to keep the system "learnable" from the ground up, although they sometimes violate this rule for peripherals outside the main system. Walter gave a talk recently about it: https://www.youtube.com/watch?v=rbaAmnhZAis https://www.youtube.com/watch?v=rbaAmnhZAis