The Dell Streak is the first Android tablet worth taking seriously, though its size puts it on the fence between tablets and smartphones.

The Archos 7 Home Tablet isn't going to amaze you with its specs or features, but its low price and core Android features--Web, e-mail, media playback--make it a workable iPad alternative.

The Sony Dash is a fun device for tech enthusiasts looking to cram the Web into every corner of their homes, but it's not a fit for everyone.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Apple iPad is the first affordable tablet computer worth owning, but it won't (yet) replace your laptop.

The Archos 5 is a great video player, but it disappoints as a premium Android Internet tablet and GPS unit.

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.

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.

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.

On paper, the Mio DigiWalker P550 looks to be an attractive gadget for the mobile professional, combining the capabilities of a PDA and GPS into one device. However, its poor battery life and subpar navigation skills tell a different story.

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

Though the Pharos Drive GPS 140 has an accurate receiver and good Bluetooth integration, it will require patience on your part as it suffers from somewhat sluggish performance and an unintuitive interface.

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.

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.

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.

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

The Palm Z22 provides an affordable, very basic, and easy-to-use PDA suitable for first-time buyers and technophobes.

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

The Palm Tungsten E2 delivers the sleek and affordable combination of productivity and entertainment in a package that should satisfy mobile professionals and consumers alike.

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