indeed, and that is what sets MAME aside from the rest.

even for the CPS3 thing, I was already looking at it as part of something bigger

obviously I hope BallyAlley decides to send something your way because it'll cover a decent portion of the cost of seeing one of the Game & Watch titles preserved for future generations, a task that requires money to purchase the physical item for processing and something that is going to play a significant role in the long term preservation and accessibility of our culture.