FiiO L3 Line Out Dock (LOD) Cable For iPod and iPhone
I had several cheaper LOD cables fail on me so I ordered this and the FiiO L9.  I have not had any problems with either of them and you can instantly tell they are of much higher quality the moment you pick them up.  I like that this model clips into my iPod and holds it secure, but I prefer the shape of the L9 and use it almost exclusively.  If you are strapping your portable amp to the back of your media player then the L9 is the way to go.  Otherwise the clip on/off functionality of the cable is really n