I salvaged 2 Casio keyboards: free for the taking at the next workshop. But please reply ASAP: I cannot store them for long. [obligatory vintage computer link: electronic music is part of computer history] Casio CTK-551 midi in and out web says: 61 FULL-SIZE KEYS with TOUCH RESPONSE (ON/OFF) 100 SONG BANK TUNES SONG BANK CONTROLLER CHORD BOOK function PITCH BEND WHEEL Casio LK-230 Lighted Personal Keyboard, 61 Keys, with New Voice Pad Feature USB interface -- jeff jonas