InnoGear has lowered the price of its MiniJam MP3 module and added more memory. The 32MB model is $149, the 64MB model is now $199, and you can now buy a 96 MB model for $239.
Perhaps this is in response to Good Technology lowering the price of the competing SoundsGood module? Whatever the reason, MP3 modules are now at a more reasonable price. Thanks to Miradu2000 for the news.