Acer Aspire Laptop with 16″ Widescreen LCD, Intel Core 2 Duo 2.0 GHz for $549.99 shipped. It comes with a Intel Core 2 Duo CPU at 2.0GHz, 4GB RAM, 250GB hard drive, wireless 802.11a/b/g/n, DVD burner, webcam, 5-in-1 media reader, and more. Note that at 7.49 lbs, it is more like a portable desktop instead of a truly lightweight laptop. For the other end of the spectrum in terms of extreme lightweight and portability, check this out.