This deal has ended.
Buy.com has the Microsoft Neoprene Laptop Sleeve for $11.99, after a $6 mail-in rebate (expires 4/7). There's free shipping, no sales tax (except CA, MA, MD, TN), and new Google Checkout users can get a $10 discount. The sleeve fits up 17" screens and is made of neoprene. It's designed to protect your laptop when in a briefcase, backpack, or any other carrier.