Best PDAs - 4 to 5 Hours Talk Time, WLAN 802.11g Wireless Capabilities, GSM

'This rugged device will deliver the industry's first mobile computer compatible with multiple 3G network standards -- HSDPA and EV-DO -- that can capture high-quality pictures, documents, and signatures, as well as 1D and 2D bar codes thanks to its 2-megapixel camera.'

'high performance SiRFstarIII GSC3f/LP chipset'

'pretty nice GPS and flight planning and mapping software'

'The Asus P320 ’s built-in GPS module allows timely, faster satellite pinpoint and download for users and their location.'

'The supplied headphones are pretty decent, but if you don't like them, the phone has a standard 3.5mm mini-jack so you can swap them for any pair you like, which is handy.'

'include a bunch of multimedia functions'

'The 320-by-240 display is gorgeous, and navigating the device via the small--but very usable--QWERTY keyboard and BlackBerry Pearl -like trackball is quite comfortable.'

'The supplied headphones are pretty decent, but if you don't like them, the phone has a standard 3.5mm mini-jack so you can swap them for any pair you like, which is handy.'

'include a bunch of multimedia functions'

'It's about time that these devices start to get higher resolution screens.'

'full sliding qwerty keyboard'

'fastest possible performance'

'The 2 mega-pixel camera on the M3100 is pretty decent for a phone based camera but certainly wont replace your digital compact camera.'

'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'