Rogue Amoeba on Thursday released Airfoil 3, an update to the premier AirPort Express extender for Mac OS X. Airfoil allows users to send any audio to the AirPort Express, from media players such as RealPlayer and QuickTime to audio websites (e.g., Pandora, Last.fm). Version 3 lets users transmit any audio to multiple AirPort Express units, provid
