SkullCandy's Double Agent removes the fuss and wires of an mp3 player and integrates an SD card reader for playback of music files directly from your headphones. And if you do want to plug them into a conventional audio source they include a removable audio cable for use with any media device. Link:$99
Grado doubles the wood for their GS2000e headphone
Mahogany and maple make for a sonically (and aesthetically) pleasing headphone.