AppleTV Update to v2.3

AirTunes Streaming from Apple TV: Music can be streamed via AirTunes to Airport Express speakers or other Apple TVs in your house.
Third-party Remote Support: Apple TV can now learn other remote controls and use them in addition to the Apple Remote.
Playlists with Video: Playlists in iTunes that contain Movies, TV Shows, Podcasts, and Music Videos can now be seen on Apple TV.
Music Volume Control: Support for volume control in Music