Apple TV 2.2 update haz Genius inside !
Apple TV just got his 2.2 update on October 3th.
Check the new features, click link below
* Dual Audio Support for Movie files (while holding Play/Pause whilst playing movie files)
* Genius playlist feature (activated by holding Play/Pause whilst playing a song)
* Fixes Security Bug in Quicktime that could lead to code execution.
* Music Video playlists
* On-the-Go Playlists
* Standby Option
* HD TV Show Playback and Purchase