A while back, I got into a heated discussion on a new Sony audio player called the HD5: HD5 doesn't play mp3s!!! The device claims to be an MP3 player, but in fact, it doesn't play MP3s at all. It will convert MP3s into a proprietary Sony format and then play them, but if you copy actual MP3 files to the device, it will not play them. I specifically wanted an MP3 player in order to manage my music the way I want to. I will not have anything whatsoever to do with audio files that have been crippled with "Digital Rights Management" (DRM). Unfortunately, most consumers are not aware that any time they buy music from Itunes, Microsoft, Sony, or many other distributors, they are buying music files that are crippled with DRM. You may look at this whole DRM controversy and say, "who cares?, it plays on my device." This may be true for you right now. However, if you ever find yourself involved in of the following tasks, you may change your tune: