Oh wow, that made me feel old. I actually read that article just before making the switch from the Radio Shack TRS-80 ecosystem to Commodore. See the Tussey ad for a 64C with an FSD-2 floppy? I bought that package from them with a repackaged c.Itoh thermal printer. It actually had the mail-in redemption offer the Commodore guy referred to in the article.
It felt like I had that C64 forever. I learned CBM BASIC, 6502 assembler, and even K