Display PDAs

The Bottom Line: The Sony Mylo Communicator 2 is a huge improvement over its predecessor, but the Wi-Fi handheld will have a hard time competing with the similarly priced and better featured iPhones, Sidekicks, and Helio Oceans of the cellular world.

Specs: 1 GB, IEEE 802.11b, IEEE 802.11g, 5.2 in x 0.8 in x 2.6 in, Stylus, Keyboard

The Bottom Line: The Sony Mylo Communicator 2 is a huge improvement over its predecessor, but the Wi-Fi handheld will have a hard time competing with the similarly priced and better featured iPhones, Sidekicks, and Helio Oceans of the cellular world.

Specs: 1 GB, IEEE 802.11b, IEEE 802.11g, 5.2 in x 0.8 in x 2.6 in, Stylus, Keyboard

The Bottom Line: Though it won't appeal to the masses quite yet, the Nokia N800 Internet Tablet is a nice, portable device for on-the-go Web browsing, and it has some worthy upgrades.

Specs: Internet Tablet OS 2007, 128 MB, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0, 5.7 in x 0.5 in x 3 in, Stylus, Touch-screen

The Bottom Line: Though not ideal for the car, the ultraportable Mio H610 is an accurate navigator and a decent multimedia player for use on foot.

Specs: Microsoft Windows CE .NET 4.2 Core, 64 MB, Samsung 400 MHzS3C2440, Stylus, Touch-screen

The Bottom Line: The HP iPaq rx5900 Travel Companion delivers a sleek all-in-one navigation, productivity, and entertainment device to mobile professionals; we just wish it had better battery life.

Specs: Microsoft Windows Mobile 5.0 Premium Edition, 64 MB, Samsung 400 MHzS3C2442, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0 EDR, 3 in x 0.6 in x 4.7 in, Stylus, Touch-screen

The Bottom Line: The Sony Mylo offers nice messaging and multimedia features for students, but we're not sure that's enough.

Specs: 1 GB, IEEE 802.11b, 4.8 in x 0.9 in x 2.5 in, Keyboard

The Bottom Line: The Palm-based Garmin iQue 3000 is a competent organizer and navigator, but it's marred by mediocre performance and lacks some features that put it behind the competition.

Specs: Palm OS 5.2.1, 32 MB, ARM 200 MHzARM 9, IrDA, 2.8 in x 0.7 in x 4.7 in, Stylus, Touch-screen

Editors' Take: The I-mate PDA-N is packed with features, and you'll pay for every one of them.

Specs: Microsoft Windows Mobile 5.0, 64 MB, Samsung 300 MHz, IrDA, Bluetooth, IEEE 802.11b, 2.3 in x 0.7 in x 4.3 in, Stylus, Touch-screen, 5-way navigation button

The Bottom Line: Light, thin, and ready for just about anything the business world can throw at it, HP's iPaq rx1950 is a strong performer but falls short with lack of Bluetooth and low memory.

Specs: Microsoft Windows Mobile 5.0 Premium Edition, 32 MB, Samsung 300 MHzS3C2442, IrDA, IEEE 802.11b, 2.8 in x 0.6 in x 4.5 in, Stylus, Touch-screen, 5-way navigation button

The Bottom Line: The reasonably priced Nokia 770 is a neat idea and a slick device, but slow performance and a few missing features keep it from realizing its potential.

Specs: Internet Tablet OS 2006, 64 MB, Texas Instruments 250 MHzOMAP1710, Bluetooth, IEEE 802.11b, IEEE 802.11g, 5.5 in x 0.7 in x 3.1 in, Stylus, Touch-screen