Acer's TravelMate C312XMi is a great device if you're after a notebook first and tablet PC second. The relatively low screen resolution impedes its handwriting recognition.

This good-looking and portable unit has all the features of a great Ultra Mobile tablet PC, but nowhere near enough power to make it happen. With functionality issues like screen resolutions resetting every log-in and the touch screen disabling after intensive activities, the end result is a $1,699 toy for those who appreciate style and don't need power.

The tiny Flybook V5 is aimed squarely at the business user. It's very mobile, has 3G capability and it can function as a tablet PC. However, it's a hard-to-use laptop and it's missing some useful tablet features, such as a dedicated button for rotating the screen.

For mobile professionals who want to forget they're even carrying a tablet-convertible notebook, the P1620 is a valid candidate. It's not perfect, but it has enough features to be a useful office productivity tool while on the road.

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

For the travelling business professional, theT2010's 3.5G and tablet features, spill-resistant keyboard and overall build quality are strengths. It performs everyday applications and handwriting well, but it's has a few quirks.

The Fujitsu Lifebook T4220 is a powerful and responsive Tablet but the indoor/outdoor screen coating may irritate people who plan to use the device insode more than outside.

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.

The Fujitsu LifeBook T1010 is a good tablet notebook that doesn't do enough to truly shine. A middling performance from the hardware and a few small nagging issues such as noticeable lag when using the pen on the screen detract from a versatile and attractive device.

It's rare to find a notebook as versatile as the LifeBook P1610. There are certainly compromises to be made for its tiny frame and convertible design, but if blistering performance isn't essential, the P1610 is well worth a look.

The A4 size is comfortable to use and the notebook mode is great for doing those tasks that need more than a pen can offer. It's not a powerful machine, but its battery life will keep you going for a while.

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