In 1982, Sony introduced us to "Perfect sound forever," combining the view that "all CD players sound the same." This view was contradicted, and the qualitative differences between the players became accepted truth. Then came the separate transports and DACs, which brought the perception that "all S/PDIF digital audio cables sound the same," until this was also proven wrong. Now the challenge has shifted again. Is digital audio really just ones and zeros? We don't believe so, and once you have the opportunity to listen to the Forest USB, neither will you...