I wish there would be more chemical hacking articles like this. It's a pity they didn't write more about how did they come up with the process and how does it work.
I think he got some percentage of the money out of the parts, it wasn't a ton of money, but better than just throwing the stuff away.
You should consider if your hobby isn't some kind of OCD or hoarding disorder.
I keep a couple generations of Apple IIs, an 8-bit Atari, Amigas, RISC boxes and Macs (a couple months back you could see a perfectly functional Mac SE as part of my living-room decor) preserved. Lots of other important machines have been destroyed or recycled. I try to do my part preserving a small part of our heritage.
This is an alternative: <http://www.google.com/images?q=guiyu%2C+china>;
I remember seeing a video in which it was claimed their electronics scrap was richer in gold (by weight I assume) than many gold mine ore.
It was in Eastern Europe, where, as everyone knows, people just have large vats of H2SO4 lying around in their back yard ;-)