Take iHP-140 as an example ,the best feature sets of any MP3 player around: support for the <a href="http://www.vorbis.com/" target="_blank">Ogg Vorbis</a>
format, line-in or mic recording direct to .wav or MP3 formats, text
reader, optical input/output, wired remote with LCD, 16 hour battery
life, and internal FM radio!! {But after all it's not open hmm} <br><div class="gmail_quote"><br></div><br><br>