The latest iTunes update will fix stability and performance bugs as well as add sync capability to the CDMA iPhone 4.
iTunes 10.1.2 syncs music, movies, and more with iPhone 4 (CDMA model) and provides a number of important stability and performance improvements. iTunes 10.1 came with several new features and improvements, including: • Use AirPlay to instantly and wirelessly stream videos from iTunes to the all-new Apple TV. • Sync with your iPhone, iPad, or iPod touch with iOS 4.2.