While they aren't the biggest name in the portable MP3 player world, it certainly has the largest amount of space in an MP3 portable to date. The Xclef 500 in now available in a, wait for it, 100 GB model. What's better, the unit costs just $450 USD. The Xclef 500 is recognized as a normal USB drive, and while it can hold up to 25,000 music files, it can also be used as a backup device. Other features include an FM tuner and recorder, analog and optical line in recording, all with a 20 hour battery life. Look for the Xclef 500 100 GB model to be on store shelves in early 2005.