QUOTE(rudefyet @ Jul 30 2007, 10:48)

But one thing to keep in mind, with rockbox, ogg actually decodes faster then mp3 on most cpu platforms, so you should in theory get mp3 equivilent or better battery life with rockbox
MP3 decodes quicker than Vorbis on Rockbox (and on most platforms, as Vorbis is a more complex codec).
See here:
http://www.rockbox.org/twiki/bin/view/Main...manceComparisonPlease note, those tests were completed about 3 weeks ago. Some libmad optimizations have recently been committed that have increased performance by about 10-15% on ARM.