"The MPCD-455's a little-known unit (translation: I couldn't find any other
reviews of it), but it's a bit cheaper than the SM-200C, and it's better.
Better battery life, much better anti-skip, proper resume and random play.
Doesn't read ID3 tags (or even file names), but trust me, you can live
without that feature."
FULL STORY @ DANSDATA (http://www.dansdata.com/sm200c.htm)