Creative Zen Mozaic 4GB LX MP3 Player for $49.00.  Use free site-to-store and pick up in-store to save on shipping charge.  Otherwise, shipping is $3.97, making the total $52.97 shipped.  This player supports many formats, including MP3, WMA, WAV, Audible 4, built-in FM tuner and more, and up to 32 hours of battery life.  Other places usually have it for about $76.

Originally posted earlier, this is just a friendly reminder.