Iasi, Although I have evolved to a higher plane of consciousness than my past Mapleshades provided, my previous Mapleshades included their better flat copper ribbon design, and the bass quite a bit upgraded from their hair-thin older entry level design.
Mwilson, I am not aware of any documented event requiring better insurance, but perhaps one could consider this to be the "extreme sports" corner of the audio universe? If there is a specific safety standard that you feel is violated then please let it be known, as most on Audiogon have no electrical design background. By pooling our collective expertise, or opinions, everyone can become a better informed consumer.