MSI Wind U100-451US Netbook with 10" LCD, Atom 1.6GHz CPU (Pearl White) for $279.99 shipped after promo code NETBOOK30.  Here is a screenshot for your reference.  It is very portable at 2.3 lbs.  Its features include an Intel Atom processor N270 at 1.6GHz, 10" LED-backlit LCD at 1024 x 600 resolution, 1GB RAM, 160GB hard drive, wireless 802.11b/g, Bluetooth, 1.3-megapixel webcam, 4-in-1 card reader, 3-cell lithium ion battery, and Windows XP Home.  It usually sells for $309.