Fire up that Software Update app, because iTunes is ready for a tune up. iTunes 10.1 has just been released and it includes the following:

– ability to use AirPlay to wirelessly stream videos from iTunes to the new Apple TV
– installation of iOS 4.2 on your iPhone, iPad and/or iPod touch
– a number of important stability and performance issues

For more information, head over to the support site at the the official Apple site.