Rogue Amoeba has released Airfoil 3.2, the latest update to its Airport Express streaming audio utility for Mac OS X. Airfoil allows users to send audio from any application to an Airport Express or Apple TV, and can also send audio to multiple AirTunes units simultaneously. New in version 3.2 is improved support for the 802.11n Airport Express, including full password support and better synchronization, as well as support for remote control of iTunes…