via iPod and iPhone Firmware Download.

For those of you who dont want to pay for the $9.99 Update to your Ipod Touch.. You can download the firmware from here.

Simply select your model of ipod, and download the firmware image. After downloading the desired firmware, you can shift-click PC or option-click Mac the Restore or Update buttons in iTunes. A file dialog will open and let you choose the downloaded ipsw-file.