Have not heard of this offering before--sounds like a lot of money for a modified Littelfuse. Although they add materials and a process to the fuse, I would question the quality of the fuse element itself compared to the high-purity copper element offered by Furutech, for example. It would seem more important to upgrade the fuse element as a conductor, and Furutech offers rhodium plating to their end caps--not sure that can be beat by a nano application. I have replaced the HiFi Tuning Silver Supremes in my Maggies with the Furutechs-increased clarity, to my suprise, and the gold plating on the Supremes had fried right off. But, the original HiFi Gold sounds better than the Furutech in my Wadia CDP AC line fuseholder. Yes, a little 1-amp fuse alters the character of the sound--never would have believed it had I not experienced it.