I'm not able to update my ipod Touch 3G to IOS 4.1. When I click on the update in iTunes (under the "version" section of the iPod) it say: "This version of iTunes (9.2.1) is the latest version. Whenever I synced my iPod Touch it used to ask me if I wanted to upgrade, but I chose for this not to appear. Now I would like to upgrade. Anyone know what might be wrong?