Apple released an update for iTunes which brings it to 8.1.1. The update includes performance improvements, syncing with iPod Shuffle 3rd gen, HD movie rentals and a few other enhancements. You can get the update via software update on your Mac.
iTunes 8.1 is now faster and more responsive. You will enjoy noticeable improvements when working with large libraries, browsing the iTunes Store, preparing to sync with iPod or iPhone, and optimizing photos for syncing.
In addition, iTunes 8.1 provides many other improvements and bug fixes, including:
• Supports syncing with iPod shuffle (3rd generation).
• Allows friends to request songs for iTunes DJ.
• Adds Genius sidebar for your Movies and TV Shows.
• Improves performance when downloading iTunes Plus songs.
• Provides AutoFill for manually managed iPods.
• Allows CDs to be imported at the same sound quality as iTunes Plus.
• Includes many accessibility improvements.
• Allows iTunes U and the iTunes Store to be disabled separately using Parental Controls.
iTunes 8.1.1 adds support for renting HD movies and provides a number of bug fixes, including addressing issues with VoiceOver and syncing with iPhone or iPod touch.