A source has tipped us off to a pending update to iTunes and QuickTime that may be arriving around Macworld.
QuickTime 7.4 will include mainly bug fixes and security patches and support for the new version of iTunes. However, the details of the new version of iTunes remains under wraps at this time.
It should be noted, however, that Apple often has to update iTunes to support extensive feature updates in existing products, or when supporting new products.
Thanks, iPhoneGuy