z.sfplayer (a simple sound file player for mac and windows)
--- plays .wav, .aiff, .mp3, .aac, .sd2, .au, .raw ---

SOFTWARE

Max OSX (Tiger and Leopard):
version 1.1 (updated 4/19/08)
version 1.0 (updated 4/11/08)

Windows XP/Vista :
version 1.0 (updated 4/11/08)