Roku today announced the new low cost SoundBridge M500 network music player. The M500 streams music from any computer (Mac or PC) to powered speakers or a stereo system anywhere in your house. Songs are piped through either its built-in Ethernet or integrated WiFi connections. The M500, which offers a 40-character LCD display and included remote control, supports streaming music in WMA, AAC, MP3, AIFF and WAV formats. Roku’s SoundBridge M500 will be sold exclusively through the end of the year at RadioShack stores nationwide for US$199.