A personal computer with 64K of RAM for only $595???? Welcome to Show #137! This episode's topic: The Commodore 64, Part III! In this episode, I conclude our examination of the Commodore 64, covering the variants of the C64, some popular hardware and software add-ons, and of course, modern day fun. "The Woz" recently gave a preview tour of the Computer History Museum's upcoming permanent exhibit…