I have the Wadia 170i and the Pure i20 and can't here a difference and the Pure i20 in under $100.00. There is also a new Teac doc out similar to the i20 but it looks a lot nicer. It's similar in looks to the Wadia but is only $150.00
http://www.accessories4less.com/make-a-store/item/TEACDSH01SA/TEAC-DS-H01-iPhone-iPod-Digital-Dock-24-bit/192kHz-PCM1796-DACs/1.html#!specifications
Let us know what you end up with.
Greg
http://www.accessories4less.com/make-a-store/item/TEACDSH01SA/TEAC-DS-H01-iPhone-iPod-Digital-Dock-24-bit/192kHz-PCM1796-DACs/1.html#!specifications
Let us know what you end up with.
Greg