A lot of people loved their original iPod but most now use their iPhone and other devices to listen to music. The Tangara is worth a look for those of you looking for an open hardware portable music player. It has a powerful processor to handle any audio format. You can tweak its firmware to experiment. You can also design a new faceplate for it.
This music player has two buttons and a flexible capacitive clickwheel. It supports 16-bit audio at 44.1 or 48 kHz audio. The software, firmware, and hardware design files are available online, so you will have an easy time customizing and repairing this.[where to get it]