Slowing down audio playback
Most reviewers find it hard to come up with a good reason for changing the speed of audio tracks whereas I actively look for it as one of the main selling points when buying a digitial audio player. The reason being that I study Japanese language and spend a lot of time listening to conversations. Any as student of a foreign language knows, slowing down the speed of audio is a great help in picking up new words or bring a fast speaker down to the normal speaking rate you may be more accustomed to.
Couple that with the fact that this player supports Ogg Vorbis and has a radio, two things which the iPod is missing, and I think you have an easy win for me.
The only thing missing, which I would have liked to see, is an OLED screen. The review doesn't mention what type of screen it has so I assume it is LCD?