Flying a 30yo 5 octaves kb is asking for trouble if you're not sure it's sold already. All that for a Polysix? Beware not to have to bring it back...
-Roland JX3P+PG200, D50+PG1000, Juno 6+106, MKS50/70, JP8080, U220, MVS1, MDC1, MSE1, RS09, TR-707
-Korg Poly61M, M3R, MicroKorg, Micro, Kaossilator/Pro, Monotron X3
-Yamaha DX7, TX816, TX81Z
-Crumar Performer, DSI Mopho, SCI Prophet 2002