The C64 was Commodore biggest seller but there are other models as well. A bit different group are the C16 - C116 -Plus/4. On the website www.commodore16.com this group of Commodore computers are presented in a big way. You can download games, read games reviewes a busy forum and lots more. The SID (music chip from the C64) is very popular. At the moment an SID cartrigde is being develloped for the Plus/4. You can sign up for a newsletter on the website.