Infrared (IrDA) Cell Phones

The Bottom Line: Affordably priced, the Nokia E71x for AT&T is an incredible value for business users and consumers looking for a robust messaging smartphone.

Specs: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 270 min, With digital camera / digital player, 4.4 oz

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: CDMA2000 1X 1900/800, Up to 270 min, With digital camera / digital player, 4.9 oz

The Bottom Line: Mobile professionals who need a powerful but sleek messaging-centric smartphone will be well-served by the Nokia E71; just be prepared to pay a price.

Specs: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 270 min, 4.4 oz

The Bottom Line: Mobile professionals who need a powerful but sleek messaging-centric smartphone will be well-served by the Nokia E71; just be prepared to pay a price.

Specs: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 270 min, 4.4 oz

The Bottom Line: Offering ample memory, a larger screen, and 3G support, the 8GB Nokia N95 is sure to please those looking for the ultimate in multimedia/cell phone convergence, but you'll pay for the features, and there are some performance issues.

Specs: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 300 min, With digital camera / digital player, 4.5 oz

The Bottom Line: The Nokia E90 Communicator has a feature set as large as its size, satisfying the needs of the power business users. That said, we're disappointed by the lack of 3G.

Specs: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 300 min, With digital camera / digital player, 7.4 oz

The Bottom Line: The Sony Ericsson P1i is a nice upgrade to its predecessor and offers an alternative to today's Windows Mobile and Palm smartphones, but we're ultimately disappointed by the kludgey interface and lack of 3G.

Specs: WCDMA (UMTS) / GSM 900/1800/1900, Up to 600 min (GSM), Up to 210 min (UMTS), 4.4 oz

The Bottom Line: The Palm Centro isn't the innovative product we were looking for from the company, but with its slimmer size, ease of use, and affordable price tag, the Centro is a good option for those looking for their first smartphone.

Specs: CDMA2000 1X 1900/800, 210 min, 4.2 oz

The Bottom Line: The Sony Ericsson Z310a would work as a weekend cell phone, but it's not the best option for heavy callers.

Specs: GSM 850/900/1800/1900 (Quadband), Up to 420 min, With digital camera, 3.2 oz

The Bottom Line: The Sony Ericsson Z310a would work as a weekend cell phone, but it's not the best option for heavy callers.

Specs: GSM 850/900/1800/1900 (Quadband), Up to 420 min, With digital camera, 3.2 oz