I own and love a Wadia 170i; however, it's only as good as the DAC you send the signal to. If you don't know what I'm talking about, then you probably want one of the many devices available that take an iPod's analog output (as opposed to digital) and sends out a line level signal to a home music system. Teamed with the very best DACs with strong reclocking capacity, it's a wonder.
Dave
Dave