Great news folks:
Apple just released iTunes 7.5
http://www.macupdate.com/info.php/id/5661
iTunes 7.5 - 41.3MB
iTunes 7.5 features the ability to activate iPhone wherever service is offered and support for Phase, a new interactive music game designed exclusively for iPod nano (third generation), iPod classic, and iPod (fifth generation). This release also includes bug fixes to improve stability and performance.
For detailed information on the security content of this update, please visit this website:
http://www.info.apple.com/kbnum/n61798.
You can download iTunes 7.5 with Quicktime 7.3
http://www.apple.com/itunes/download/