Speaker(s) 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 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 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

The Bottom Line: The Asus MyPal A636 is a PDA with a built-in GPS receiver that puts maps and directions on an equal footing with appointments and e-mail. While it delivers accurate directions and long battery life, it's a bit sluggish.

Specs: Microsoft Windows Mobile 5.0, 64 MB, Intel 416 MHzXScale PXA272, IrDA, Bluetooth, IEEE 802.11b, 2.9 in x 0.7 in x 4.8 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 HP iPaq hx2790 is a PDA for those who are looking for a traditional, businesscentric approach to ultraportable computing and don't mind paying for it.

Specs: Microsoft Windows Mobile 5.0 Premium Edition, 64 MB, Intel 624 MHzXscale, IrDA, Bluetooth, IEEE 802.11b, 3 in x 0.6 in x 4.7 in, Stylus, Touch-screen, 5-way navigation button

The Bottom Line: The Dell Axim X51 series offers a nice combination of features, but we were disappointed by the subpar battery life.

Specs: Microsoft Windows Mobile 5.0, 64 MB, Intel 624 MHzXscale, IrDA, Bluetooth, IEEE 802.11b, 2.9 in x 0.7 in x 4.7 in, Stylus, Touch-screen, 5-way navigation button

The Bottom Line: The Dell Axim X51 series offers a nice combination of features, but we were disappointed by the subpar battery life.

Specs: Microsoft Windows Mobile 5.0, 64 MB, Intel 520 MHzXscale, IrDA, Bluetooth, IEEE 802.11b, 2.9 in x 0.7 in x 4.7 in, Stylus, Touch-screen, 5-way navigation button