rogueamoeba writes "Rogue Amoeba Software has just unveiled Airfoil, only for Mac OS X. With Airfoil, users of Apple's AirPort Express device can now send ANY audio to the device.

Instead of being tied to iTunes, audio from RealPlayer, Windows Media Player, VLC, Mplayer, Safari, and many other applications can now be transmitted wirelessly. Airfoil is available for download now, and can be purchased for just $20."