This deal has ended.
Buy.com now has the Altec Lansing inMotion iMmini portable audio system for the iPod Nano and iPod Mini for $19.99 plus free shipping. These have been as much as $99 at Buy.com and are currently $84 at Amazon. There is no sales tax (except to CA, MA, MD, TN). This is a compact, well-reviewed (4.5 of 5 by 66 reviewers) iPod speaker option. New Buy.com customers can use this $5 off $50 coupon and new Google Checkout users can get a $10 off discount for signing up (you can't get both).