No direct experience with their coax but picked up a Oyaide NEO d+ Class A USB for low $ and was very impressed so Oyaide might be an option to explore. The 102SSC they cite is their replacement for Ohno Continuous Cast Copper, by the way.
http://www.neo-w.com/english/as-808-v2-series_e.html
http://www.neo-w.com/english/as-808-v2-series_e.html