Absolutely beautiful recovery. I love watching restorers like you relive pieces of history like toys, appliances, furniture or in this case an artist's handiwork! I have high respect for your fine craft sir. Let's continue to save these beautiful pieces of history.
Dont mess with the bottom part of the PSU (the green side) because the big caps could be charged even if that thing was unplugged for a while. It can give you a good scare, or even kill you in the worst case.
Not if you click the power button after unplugging the console (which you should always do) and seeing how this guy disassembles things I think he knows this