So you need a golden NES?
Good, I can help. Here we go:
What you'll need: A philips head screw driver, clear coat spray paint, gold spray paint
Step 1: Disassemble the NES. Take apart the six screws on the bottom of the NES (if you can't do this, maybe you should stop now).
Step 2: Take off the metal grounding shield so the cartridge holder is exposed.
Step 3: Unscrew the cartridge holder so that you have the following components exposed:
Step 4: Give your Nintendo a few coats with the gold so it looks something like this:
Step 5: Coat that bad boy with clear coat, wait for it to dry, and put everything back together. You should have something like this:
Many thanks to Aaron Murray for his help and inspiration in creating the Gold NES.