Conclusion: While the most demanding audiophiles could do better, the S-Series Walkman has the edge on Apple's Nano when it comes to sound quality and value. Compact players don't get much better than this.
Conclusion: The good: SensMe, FM radio, sound quality, headphones. The bad: Screen is too small for video. Verdict: With a good sound, small design and drag and drop freedom the NWZ-639F has plenty going for it.
Conclusion: It's older, larger, more expensive A series brethren offer wireless audio and a whopping screen, but for ease of use, sound quality and sheer enjoyment, the S639F is a terrific choice, and BBC iPlayer support is awesome for UK users. Is it an iPod nano killer? For this price, capacity and sound quality, it could be. The nano is still our...