Hello---
What is the best controller to use with GPO, is the Yamaha PSR 1500 a controller......what about M-Audio Radium 61, yes I know one has tones and the other does not but I would like to know if I spend the extra money for the 1500 would I be able to assign midi functions for the GPO with this keyboard...thanks in advance and any other keyboard or controller or combo that is popluar I would appreciate hearing about.......