This deal has ended.
Buy.com has the Microsoft Neoprene Laptop Sleeve for $12.99 after a $5 mail-in rebate (expires 3/31). There's free shipping with no sales tax (except CA, MA, MD, NY, TN). 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.