Casio CZ1000 from 1985. Hours upon hours of fun: https://www.youtube.com/watch?v=W6vyCNWJVME https://www.youtube.com/watch?v=W6vyCNWJVME Close second, a Kawai

Casio CZ1000 from 1985. Hours upon hours of fun: https://www.youtube.com/watch?v=W6vyCNWJVME https://www.youtube.com/watch?v=W6vyCNWJVME Close second, a Kawai K4R rompler from 1989. It is also seriously badass: https://www.youtube.com/watch?v=r7VSPDeN19c https://www.youtube.com/watch?v=r7VSPDeN19c 80s digital synthesis gear is incredibly unfashionable now and therefore very very cheap. Lots of it is almost being thrown away, like the classic analog kit was in the 80s. I'm sure you can guess how much that stuff's worth today...