This looks like a good one:
http://www.cooperhandtools.com/brands/CF_Files/model_detail.cfm?upc=037103115225
Seriously though, for casual use a 3.5mm adapter cable is all that's needed. Universally compatible, too. I've set up and programmed my share of iPorts and Crestron CEN-IDOCs, and IMO they're really silly. An iPod is a great portable, but a poor home music server.
http://www.cooperhandtools.com/brands/CF_Files/model_detail.cfm?upc=037103115225
Seriously though, for casual use a 3.5mm adapter cable is all that's needed. Universally compatible, too. I've set up and programmed my share of iPorts and Crestron CEN-IDOCs, and IMO they're really silly. An iPod is a great portable, but a poor home music server.