Preview at WWDC likely in June, followed by September launch.
Apple Introduces 160GB Apple TV for $399
Apple TV, which includes the Apple Remote, is available through the Apple Store (www.apple.com), Apples retail stores and Apple Authorized Resellers for a suggested retail price of $299 (US). Apple TV with a 160GB hard drive will be available tomorrow for a suggested retail price of $399 (US). The YouTube feature for Apple TV will be available as a free software update in mid-June.
The current Apple TV costs $299 for a 40GB model.