This deal has ended.
Update: This deal is over. The IdeaPad Netbook is now sold out. Back in stock, Best Buy has the 10.1" Lenovo IdeaPad Netbook (model S10-3T-0651) on sale for only $449.99, the lowest we can find. This features a convertible touchscreen, 1.66GHz Intel Atom processor, 1GB of memory, 250GB hard drive, 1.3-megapixel webcam, media card reader, eight-cell battery, wireless networking, Windows 7 Starter Edition, and more. Shipping is 11.99 and sales tax is charged in most states. Alternately, it's currently $478 at Amazon with free shipping and no sales tax (except KS, KY, ND, NY, WA).