Tír Na HiFi

I'm selling one of these great (e.g. http://www.tnt-audio.com/sorgenti/jk_dac32_e.html ) John Kenny USB DACs, in perfect condition and working order. (I wouldn't ever part with it, except that the hiFace in his newer Ciúnas plays a little easier with Linux and Mac!) Using a bockety old Windows PC as...