Well, of the collection I listed previously....
Casio CTK-7000 (my main board - which I can sort of play 3 finger LH + 1 finger RH!)
Yamaha PSR-500 (back up)
Ensoniq ESQ-1 (managed to blow it up - hoping to repair "one day")
Roland Juno 106 (got a DCO that won't turn off! )
Korg EX-800...