HP’s iPAQ 912 Business Messenger certainly boasts plenty of features, but falls slightly short of many offerings from competitors. The lack of included navigational software combined with a small display may turn some users elsewhere.

The much-hyped Touch Diamond had plenty of potential, but ultimately it is a hugely frustrating phone to use. A great display, stylish design and reasonable browser are let down by a sluggish and slow user interface. Unfortunately, the great eye candy of the Diamond isn’t enough to push it over the line.

A very good phone in terms of features, but way too large and heavy for most people.

The Nokia 7710 will appeal to the multimedia buffs, but if you intend on making a lot of calls, this heavy unit might not be for you.

The P910i is a significant upgrade in display quality and memory storage from its predecessor, but the lack of Wi-Fi support and its expensive price tag count against it.

The Xphone II bundles lots of features into a compact, sleek design. It would suit phone users needing basic organiser capabilities, but those wanting more comprehensive PDA features should stick to the Xda range.

This model is essentially the same as the Xphone II, with only a few improvements.

The MIO A701 is a jack of all trades device designed to replace your mobile phone, GPS unit and PDA. Sporting a touch screen but no keypad, the versatile A701 also boasts a 1.3 megapixel camera and both MP3 and video players.

The i-Mate is a rather large and bulky unit, but it does have a pretty good list of features and functions without any major problems.

The P3470 is an interesting release, but the lack of both 3G and Wi-Fi connectivity will hinder its appeal, despite the inclusion of a GPS receiver.