Rogue Amoeba today announced the availability of Airfoil 3, the next major update to its AirPort Express extender for Mac OS X. Airfoil has long allowed users to send any audio to the AirPort Express from media players like RealPlayer and QuickTime, to audio Web sites like Pandora and Last.fm. After over a year in development, Airfoil 3 provides several major new enhancements: Mac OS X Leopard support; synchronization between multiple AirPort Express units; play video locally with remote audio, using Airfoil Video Player, all in sync; and much more. [ Price: US$25 ($10 upgrade) ~ Requires: Mac OS X 10.4 or later ~ Free Trial available ]