Peter is the definitive "mad genius". Like Newton or Einstein (or even the guy from "A Beautiful Mind") he has developed several wonderful products in a short time. But his business sense leaves much to be desired with prices jumping all over the place, erratic personal behavior, and poor service.
I can appreciate the problems associated with new technologies, business start up, language barriers, monetary exchange rates, and ego/pride getting in the way. What Peter needed/still needs is a good business manager to be the company face, be his personal manager, and smooth out operational issues. Certainly he has already paid for his keep for a lifetime with the stuff he's come out with in just a couple of years. Just keep him in the lab and out of the public eye.
The amps are tempting, but the business/service aspects need to be worked out before I'd consider buying. What a shame.