Rogue Amoeba has announced
Airfoil 3.2, the latest release of their audio utility which allows you to play any Mac audio over your Apple TV, AirPort Express, or other Macs. In addition to improving support for the latest generation Expresses ("including full password support and better synchronization"), the big addition with version 3.2 is remote control support. With either the Apple Remote on the Apple TV or the Keyspan Express Remote
for an Express, Airfoil now allows you to play/pause and move forward/back on tracks playing through either iTunes or QuickTime Player.
The upgrade is free for registered users, while new copies of Airfoil for Mac are $25; a demo