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: WCDMA (UMTS) / GSM 850/900/1800/1900, Up to 240 min, 5.1 oz
The Bottom Line: Despite some niggling design flaws and the lack of 3G support, the HP iPaq 510 Voice Messenger offers outstanding voice-command features as well as the enhanced productivity tools of Windows Mobile 6.
Specs: GSM 850/900/1800/1900 (Quadband), Up to 390 min, With digital camera, 3.6 oz
The Bottom Line: The HP iPaq hw6900 series offers a lot for the road warrior, including GPS functionality, e-mail, and productivity tools, but there are better-designed and faster-performing smart phones out there.
Specs: GSM 850/900/1800/1900 (Quadband), 6.2 oz
The Bottom Line: The HP iPaq hw6900 promises a wealth of features if you can handle the hefty design.
The Bottom Line: The HP iPaq hw6515 offers great tools for the mobile professional, but its poky performance keeps it from achieving smart-phone greatness.
Specs: GSM 850/900/1800/1900 (Quadband), 5.8 oz
The Bottom Line: While bulky, the iPaq h6315 offers strong performance and plenty of high-end features for professionals looking for an all-in-one device.
Specs: GSM 850/900/1800/1900 (Quadband), 6.7 oz