This deal has ended.
Get this Acer Aspire 1.6GHz Intel i5 15.5" Notebook (model E1-572-6870) for $449.99 plus free shipping at Newegg. This is the lowest price we found by $50. It ships with 4GB of RAM, a 500GB hard drive, 1366 x 768 display and Windows 8 installed. There is no sales tax (except in CA, NJ, TN).