As previously reported, Apple is offering 10% off Music-Related Products (including iPods) at their local Apple Stores today. According to one user report, Apple is also offering $200 and $100 off the 20" and 17" iMacs respectively at their local Apple Store.
In a unique move, Apple is also offering 10% iPods and Accessories at the Online Apple Store today.
Update: The 10% Discount is no longer available (was only available for one day). But, Apple is also giving away an iPod-a-Day between November 28th to December 24th for new registrants to the iTunes Music Store.