iTunes Ten is out.
You know the drill. Head over to the (apple menu) and click on software update. Here's what you can expect to see
The description is as follows
iTunes 10 comes with many new features and improvements, including:
• Introducing Ping. Use Ping to follow your favorite artists and friends or connect with the world's most passionate music fans. Discover the music everyone is talking about, listening to, and downloading.
• Rent HD TV episodes for just 99¢ each. Watch them on your Mac or PC, on-the-go with iPhone or iPod touch, or in your living room with the all new Apple TV.
• Play your favorites on the all new iPod touch, iPod nano, iPod shuffle, and Apple TV.
• Play music wirelessly with AirPlay on AirPlay-enabled speakers, home theater receivers, and iPod accessories.
• Explore many look-and-feel improvements throughout iTunes.
• Enjoy performance improvements which make iTunes faster and more responsive.
• Additional voice support with VoiceOver Kit for iPod.
For information on the security content of this update, please visit: http://support.apple.com/kb/HT1222