Mains conditioning... Is it REALLY necessary..? something like the QED Qonduit Mains Distribution Hub do me..? also mains cables..? any input..? the original question was the above and after today and wat i've seen at the show i think i can give adefinitive answer here it goes ; today at the show every decent stand was using mains cables and a few even mains conditioning naim was using mains pioneer was using mains wilson & benesch was using mains for theyr demo and so on, so if the manufature presents theyr own products at a show with a non stock mains lead wat does that tell you ? it tells you that they know theyr products sound better with non stock mains lead .So it tells you that they work, if they didnt why would a manufacture like naim go and get mains leads from a other company ?now u can debate about this but still you'll have to find a clousable explanation for all the magior brand having mains leads on theyr sistem at a magior hi-fi show . im out