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Cowon iAudio 6 1.20
The fix: Adds MTP and Janus support for subscription WMA compatibility.
Verdict: A must-have for the music-hungry. Cowon iAudio U3 1.12 Beta
The fix: Some minor bug and delay fixes; better battery life for big files.
Verdict: Worth it, but we're still waiting for DRM compatibility. Creative Zen Vision:M Firmware 1.11.01
The fix: Improved MP3 playback; improves video playback smoothness.
Verdict: Definitely get this one. SanDisk Sansa m200 188.8.131.52
The fix: Adds Audible support to American players.
Verdict: Audiobook fans, take heed.