The Portege R400 was already a sleek and stylish design with some useful features, but the increased speed of HSDPA 3G makes it all the more appealing.

The Toshiba Portege R400 Tablet PC may carry a premium price tag, but it comes with some innovative new features and the promise of more still in later models. It's sturdy and lightweight, and looks stylish. Although it might be better to wait until the potential of this unit has been realised, it's still a top product and a pleasure to use.

This unit doesn't come cheap and for the price you might expect better performance. However, its battery life was excellent and it's a well designed machine with good functionaility.

The TC4200 is a well-rounded tablet with top-end features and usability.

Fujitsu's flagship tablet has a number of clever features to help it appeal to the mobile crowd. A long warranty and good battery life make it ideal for a road warrior, but it's a little slow for the demanding power user.

This unit is clearly not built for performance, but manages to do the basics with some serious style. Its cool operating temperature makes it comfortable to use over extended periods and we liked the responsive tablet controls.

The ThinkPad X41 Tablet has excellent security and battery life, and is very mobile.