Don't let the slim design and relatively light heft fool you. This XPS is one powerful gaming portable with an impressive feature set for work and play.
The ASUS U1 is one of the best ultraportable laptops available today, and more than powerful enough for Web browsing and office tasks -- just don't expect it to run 3D games
In this quick guide, we take a look at the functionality and applications of the four main handheld operating systems -- Palm, Windows Mobile, Symbian and BlackBerry.