nice spiker, i feel this urge to get copper coated by silver, and i haven't found many places that have that within a respectable price range. have you tried that stuff that they have... this is what i have seen:
http://silversonic.com/docs/index.html
http://www.cobaltcable.com/
http://signalcable.com/index.html
http://www.haveinc.com/

The DH Labs, top link there, sells their cable by the foot as well, but not much less expensive than when they terminate it. I kind of like multiple networks reconnected at the ends rather than one run of stranded wire...