The ASUS has big application performance and a sleek physical appearance.

If you consider battery life and light weight the most important laptop criteria, give the LifeBook P7010 a close look. You could probably live with this 1.5-kilogram unit's less-than-perfect keyboard and screen.

An ultralight tablet PC that is a little weak on character recognition, and too high on price.

The Fujitsu LifeBook P7120 is an attractive and cleverly designed notebook with all the bells and whistles of some much more expensive models.

Alienware takes a nice step out of the high-power desktop world into the ultraportable market with the Sentia m3200

This VAIO is stylish and redefines the meaning of the term ultra-portable. We wouldn't recommend it if you are just looking for a notebook, but if portability is your number one concern, then you can't go past the VGN-TX27GP.

There's no doubt this unit is ultraportable and it did well in our battery testing, but with a $5499 price tag it's just too expensive.

The VAIO VGN-UX17 is a revolutionary entry into the portable notebook space, offering a fully fledged Windows XP device that is small enough to fit into the palm of your hand. We'd like to see further developments, but it still should appeal to those looking for portability and full PC functionality.

The first leather encased notebook on the market, the S6 also performs quite well.

A good ultraportable, the U5F offers excellent battery life and solid performance wrapped up in a stylish and attractive package.

The Lenovo 3000 V100 is a good all round notebook that also happens to be fairly small.

If your business or studies require full functionality from your notebook while away from power and network connections then you can't go wrong with the X60. While it's expensive, it's still competitively priced in its class.