To me, it seems that it's a marketing stunt more than a real acheivement. Not backed up by anything substantial other than claims about how great it is. But I hope to be surprised - it would be like someone inventing a better wheel or something..
The description claims the design to be patented - yet the only patent in his name is for a triangular (Piezo!) pickup:
http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=WO2004105427&F=0
Jakob E.