Once you've tasted the freedom of surfing the Internet on your smartphones, it's hard to go back. Fortunately, a number of mobile phone providers offer great deals on smartphones with included data. We've assessed their ease of use, features and handset design.

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Three devices aimed at business and enterprise users.

A fine touchscreen phone, but held back by Windows Mobile and a slightly disappointing snapper

Microsoft has four key 'visions' for Pocket PC 2003 (PPC 2003): make it easier for manufacturers to innovate, improve the 'wireless experience', bring easy instant messaging to the PDA, and expand the 'media experience'.

Toshiba's PDA strategy is clear: business users should opt for the larger, more flexible e750 (above), while consumers are catered for by the e350. After all, this has all the features most people need in a sleek package that won't break the bank.

Sony, HP and Handspring had better take note – Palm has just rewritten the PDA rules. Just in time for Christmas, Palm has unleashed a stylish, lightweight and fully featured PDA that blasts the sub-$700 opposition away – by hundreds of dollars.

Back in February 2002 (PC Authority issue 51 page 42) we ran a comprehensive round up of the latest PDAs in the market, but its amazing what difference a few months make. Toshibas entry to the market, the e570, won the Quality Award, but was pipped at the post by the Palm m125, which won the value award with its extremely competitive price.

Sony has finally launched the Clie PDA in Australia.

Palm's m100 series was designed to replace the III series as a low-end mono PDA

The m505 is also the only device in the Labs to feature vibrating alarm alerts.

Though one of the latest entrants into the handheld market, Toshibas e570 is a key contender.

At this stage you can get modules for games, memory expansion and backup, a digital camera, an MP3 player, a GPS and a mobile phone module

An entry level PDA

Functionally the daVinci is the bare minimum as far as PDAs go so I was intrigued with the idea of a PalmOS device for $329.

The battle for position in the palm-sized PC market is set to explode in the coming year, and Compaq is determined to lead

With a hefty 8Mb of storage - four times that of the Palm V and Palm IIIe, it,s doubtful that you,ll ever have to worry about running out of space for applications and data.

We had one of the special releases of this version of the Palm, which comes with a translucent plastic shell

Palm's primary considerations for the IIIc,s design brief was battery life, size and weight