Sugith, have you tried it both as a headphone amp and as a USB DAC?
Nuforce-Icon mentions an upcoming dock-to-mini adapter cable, but doesn't appear to be available yet. The 6 Moons review connected the ipod to the Icon Mobile with a Qables Gold dock-to-mini interconnect, but that's a $350 piece of wire. It looks like more adapter cables at more affordable prices are in the works.
Nuforce-Icon mentions an upcoming dock-to-mini adapter cable, but doesn't appear to be available yet. The 6 Moons review connected the ipod to the Icon Mobile with a Qables Gold dock-to-mini interconnect, but that's a $350 piece of wire. It looks like more adapter cables at more affordable prices are in the works.