Hardware Masters has posted a review on the Rio 600 portable mp3 player.

Many people, teenagers and young adults included, agree that the mpeg-layer3 format is one of the greatest things to hit computers across the world. It was inevitable that companies would create a portable product to play these mp3 files at any time. Sure enough, the product was a success. One of the first players that I remember seeing was the Diamond Rio 300, which transferred data via a computer´s parallel port. Now, the Rio has entered its third generation of portable mp3 players. Most of the cons of the older
models have been redesigned, and a pretty cool mp3 player is the result.

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