Or: how to go about doing it? Are they too expensive to matter? (I checked play-asia, and gold colored PS3's, albeit with some anime on them, went as high as $700.

And recently I saw a thread saying that site was going out of business.

What other options are there?

eBay, but for that PS3 (I would assume it's either the One Piece edition or the Ni No Kuni) I think it's a good price. I've had my eye on the Final Fantasy XIII Lightning Edition PS3. The price on that one is still over $850. I'm waiting for it to go down in price.