Obviously you need good headphones or a good pair of intra, but Cowon is excellent. The fluidity in the menus, the ergonomics are not perfect by any means. The secondary functions, as numerous as they are, are very very gadgets ... If you intend to use with the basic tracks supplied, you are really doing wrong by cons, is run with ferrari powered by a motor 2 horses.
+ Side by cons: Strength of the camera, MicroSD port, compact enough, outstanding audio quality for MP3 / MP4, many secondary functions although gadgets.