Decades ago, when I was peddling million-dollar sound systems, an astute potential customer asked me: "If I buy your very expensive system, what will I get that I'm not getting with my less expensive system?" Smiling my best fatherly smile, I whispered to his ear, "Goosebumps, tears, and laughter." With a slightly worried look, he asked, "How much did you say those silver cables cost?" Thirty years later