Over 128MB 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 necessarily worth the price for an upgrade, the Nokia N810 Internet Tablet brings some nice additions to the mobile Web browsing device, including a full QWERTY keyboard and integrated GPS.

Specs: Linux, 128 MB, Texas Instruments 400 MHzOMAP2420, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0 EDR, 5 in x 0.6 in x 2.8 in, Stylus, Keyboard, Touch-screen

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: 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 TX offers a winning package of wireless connectivity, productivity tools, and fun for users of all kinds.

Specs: Palm OS Garnet 5.4, 128 MB, Intel 312 MHzXScale, IrDA, Bluetooth, IEEE 802.11b, 3.1 in x 0.6 in x 4.8 in, Stylus, Touch-screen, 5-way navigation button

The Bottom Line: The Gizmondo is packed with impressive features, but its lack of compelling games will relegate it to niche-product status.

Specs: Microsoft Windows CE .NET, 128 MB, Samsung 400 MHzS3C2440, Bluetooth, 4.9 in x 1.3 in x 3 in, Triggers, 8-way D-pad

Editors' Take: Asus adds Wi-Fi to this business-minded Pocket PC.

Specs: Microsoft Windows Mobile for Pocket PC 2003 Second Edition, 128 MB, Intel 520 MHzXscale, IrDA, Bluetooth, IEEE 802.11b, 2.9 in x 0.7 in x 4.6 in, Stylus, Touch-screen

The Bottom Line: Offering an impressive resume of good performance and security and wireless features, the HP iPaq hx2750 gets the job done.

Specs: Microsoft Windows Mobile for Pocket PC 2003 Second Edition, 128 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: Though it lacks Wi-Fi, the T5's solid performance and new features make it a perfect companion for mobile professionals.

Specs: Palm OS 5.4, 256 MB, Intel 416 MHzXScale, IrDA, Bluetooth, 3.1 in x 0.6 in x 4.7 in, Stylus, Touch-screen, 5-way navigation button