Read other letters about this article
I had a Commodore 64 when I was a kid and loved it, it gave you access to the guts of the machine in a way today's machines just do not --- it was a powerful feeling and really gave me the inspiration to want to learn more about computers. I agree nothing like it really exists today. The author of the article solved the problem by actually buying a Commodore 64, but a cheaper and simpler option is to download a Commodore 64 emulator:
http://www.computerbrains.com/ccs64/