Apple has released iTunes 7.6.1 for download. It improves compatibility between iTunes and the Apple TV as well as fixes other minor issues.
About iTunes 7.6.1
A store, a player, and a way to get music and more on your iPod, iPhone, and Apple TV. Rent movies and transfer them to your iPod or iPhone (Movie rentals only transfer to the new iPod nano, iPod classic, or iPod touch). Create custom ringtones for your iPhone using songs from the iTunes Store. iTunes is free for Mac + PC.
Whats New in this Version
- Movie Rentals: Rent and watch movies on your computer, or sync them to your iPod or iPhone.