Thanks, mate. I almost finished a sound bank for Prophet 5-10 and it will be shortly available ( there will be a video on my YouTube channel ). Regarding the Quantum, is a crazy synth, in the sense that is a dream synth with a marvelous user interface. Of course the Prophet is a totally sounding machine. Besides the incredible analog sound, it surprises me every day how it is capable to create so many different sounds, considering that is an old project, with limited possibilities if compared to modern synth. About the Iridium, i never had the chance to try one, but compared to the Quantum has 16 voices of polyphony, but no analog filters. Some users say that it does not cut the mix. But i cannot say anything about