Best PDAs - 5 to 7 oz. Weight, WLAN 802.11b Wireless Capabilities, Keypad Input Method

'The keys are reasonably attractive and are also easy to use.'

'sharp dual-orientation display'

'The X51v has more memory'

'Despite being relatively old, having been in service for some 18 months, it's still the fastest processor available on any handheld.'

'sports a fast chip, Wi-Fi and Bluetooth, CF and SD expansion, a lot of built-in memory, Windows Mobile 5.0'

'built-in digital camera'

'traditional keyboard'

'the S730 is a pretty run-of-the-mill smartphone, with its traditional keyboard layout; 2.4in, 320 x 240, 65,536-colour screen; and stout HTC-grey plastic shell'

'HTC S730 mobile messenger phone'

'a smarter smart phone for mobile professionals'

'the Wing supports popular IM clients such as AIM, ICQ, and Yahoo.'

'The color makes the device look professional but not too business-y, while the slightly soft texture makes it feel more comfortably in your hand.'

'The Digital Media System 815 includes an integrated sensor pod, presentation pen, and annotation software to turn almost any surface into a digital whiteboard or large interactive computer display.'

'features direct push email, internet browsing, and synchronization with Microsoft Outlook'

'The TyTN offers 128MB ROM and 64MB RAM and you can expand its memory further via MicroSD cards.'

'full QWERTY keyboard'

'You can slide out the QWERTY thumb-operated keyboard for quick message composition or use stylus input.'

'both pieces of software are very efficient'

'overall ergonomics are good, the point of gravity well balanced and the unit sits comfortably in the hand.'