Thin is in. The HP Pavilion Dv2 Notebook ($600 – $800) measures just under an inch thick and starts at 3.8 pound. This ultrathin notebook features a 12.1-inch LED display, new AMD Athlon Neo processor-based platform, 1.6GHz Neo MV40 CPU, supports up to 4GB of memory and offers up to 500GB of hard drive space. It also comes with a built-in webcam, mic, HDMI-out, 8x DVD drive, WiFi and Bluetooth.