All Smartphones

The Bottom Line: The Palm Treo Pro offers significant improvements in the design and features department, but the smartphone doesn't offer anything revolutionary and costs more than its competitors, which will make it a hard sell.

Specs: GSM 850/900/1800/1900 / UMTS 850/1900/2100, Microsoft Windows Mobile 6.1 Professional, Up to 300 min, 128 MB

The Bottom Line: With the new features, extra level of customization, and affordable price tag, the T-Mobile Sidekick is a good choice for the carrier's younger customers looking for an all-in-one communication device.

The Bottom Line: While the integrated GPS and TomTom navigation software makes the HTC Touch Cruise very enticing, there are some limitations, not to mention a high price tag that turned us off to the smartphone.

Specs: GSM 850/900/1800/1900 / UMTS 850/1900/2100, Microsoft Windows Mobile 6.0 Professional, Up to 420 min, 128 MB

The Bottom Line: With the addition of Wi-Fi and GPS, the Palm Treo 800w finally catches up to some of its competition and even offers a better design. The Windows Mobile smartphone will be a good fit for Sprint's business customers, if the battery life can keep up.

Specs: Microsoft Windows Mobile 6.1 Professional, Up to 270 min

The Bottom Line: The iPhone 3G delivers on its promises by adding critical features and sharper performance. The iTunes App Store is pretty amazing, and the 3G support is more than welcome. We still have a few gripes, but the iPhone 3G is a big improvement over the original model.

Specs: Microsoft Windows XP Home SP 2|Microsoft Windows XP Professional SP 2|Microsoft Windows Vista|Apple Mac OS X 10.4.10 or later, Up to 600 min

The Bottom Line: The iPhone 3G delivers on its promises by adding critical features and sharper performance. The iTunes App Store is pretty amazing, and the 3G support is more than welcome. We still have a few gripes, but the iPhone 3G is a big improvement over the original model.

Specs: Apple MacOS X, Up to 600 min

The Bottom Line: The iPhone 3G delivers on its promises by adding critical features and sharper performance. The iTunes App Store is pretty amazing, and the 3G support is more than welcome. We still have a few gripes, but the iPhone 3G is a big improvement over the original model.

Specs: Microsoft Windows XP Home SP 2|Microsoft Windows XP Professional SP 2|Microsoft Windows Vista|Apple Mac OS X 10.4.10 or later, Up to 600 min

The Bottom Line: The HP iPaq 910c offers mobile professionals a well-stocked, messaging-centric smartphone, but it faces stiff competition from the likes of HTC, Samsung, and Motorola.

Specs: GSM 850/900/1800/1900, Microsoft Windows Mobile 6.0 Professional, Up to 240 min, 128 MB

The Bottom Line: The HTC Touch Diamond offers much in the way of sex appeal and flash, and it's certainly got a formidable feature set. However, we hope HTC resolves some of the performance issues we experienced before the smartphone is released in the States.

Specs: W-CDMA 900/2100 / GSM 900/1800/1900, Microsoft Windows Mobile 6.1 Professional, Up to 330 min, 192 MB

The Bottom Line: For AT&T customers who are constantly on the road or are a little directionally challenged, the RIM BlackBerry Pearl 8110 and its integrated GPS can help you keep on track.

Specs: GSM 850/900/1800/1900, BlackBerry Handheld Software, 240 min