Use Your iPod Touch or iPhone as a remote control.

The latest developer release of iTunes has some very interesting things in the "Read Me".

clipped from news.cnet.com Report: Apple homes in on iPod-iPhone remote control Use iTunes 7.7 to sync music, video, and more with iPhone 3G, and download applications from the iTunes Store exclusively designed for iPhone and iPod touch with software version 2.0 or later. Also use the new Remote application for iPhone or iPod touch to control iTunes playback from anywhere in your home--a free download from the App Store.