An exercise in ‘what if?’
I think the beauty of things like this and some of the high performance 6502 upgrades I’ve seen in an Acorn Facebook group is that they answer the ‘what if?’ question.
Back in the early 80s when consumer home computers were maxing out at a 4MHz Z80 or a 2MHz 6502, RAM was 32-48K and you had a floppy drive if you were a rich kid, I would think everybody at some point asked ‘what if my computer could run 10x faster, had loads of RAM, had instant program loading?’
With a Z80 core in a gate array running at 28MHz or higher, or a 14MHz WDC 65C02, and memory that costs pennies per MB, to my mind being able to build physical hardware gives a more tangible answer to ‘what if?’ than a virtual machine in an emulator.
Nothing against software emulators - they’re fun too, but I grew up in a time when a soldering iron was an acceptable PC accessory.