Sony Ericsson W810i Cellphones

This cousin of the Cliq replaces a physical keyboard with Swype text entry, making it thinner and lighter, while adding a touch pad and FM radio. Other features are similar, including 5-megapixel camera with video capture, 3.5mm headset jack, 3G data, capacitive touch screen, WiFi, and a memory card slot. A compass and dual-mic noise cancellation round out the features.

This thin clamshell iDEN phone sits between the i856 and i9 in the lineup. Key features include a QVGA main display, large outer display with contextual touch controls, 2-megapixel camera, memory card slot, GPS navigation and a hinge that opens with the push of a button.

This high-end Windows Mobile smartphone sports a huge screen with capacitive multi-touch technology, fast processor and a thin body. Other features include 5-megapixel camera, 3.5mm headphone jack, Wi-Fi, 3G data and GPS navigation.

This unique CDMA phone combines a rugged body and push-to-talk with a full QWERTY keyboard and media features. Other key features include 3-megapixel camera, memory card slot, and stereo Bluetooth.

This cousin of the 5800 trades wi-fi and some camera resolution for a more affordable price tag. This smartphone is otherwise full-featured, including a large touch display, 2-megapixel camera, GPS navigation, memory card slot, and accelerometer.

This Android smartphone is similar to the Cliq, but with a unique reverse-clamshell form factor featuring an extra touch pad behind the display for scrolling. Dual microphones provide noise cancellation. Features in common with the Cliq include Motorola's Blur software, a large touch display, 5-megapixel camera, 3G data, WiFi, GPS navigation, memory card slot and 3.5mm audio jack.

This smartphone is one of Nokia's first to use a capacitive touch screen. Key features include at least 16 GB of built-in memory and a 5-megapixel camera with Carl Zeiss lens. Other features are similar to the 5800, including 3G data, VGA video capture, GPS, Wi-Fi and accelerometer.

This touch slab phone sports a high-resolution display, live mobile TV, and a 5-megapixel camera. Other features include GPS navigation, 3G data, video sharing and a memory card slot.

This update to the VX-5500 steps up to a 1-megapixel camera, but is otherwise similar. Key features of this basic CDMA phone include Bluetooth, dual color displays, and voice control.

This cousin of the N97 is smaller and lighter, but has very similar features, including touch display, sliding QWERTY keyboard, 5-megapixel camera, WiFi, and GPS.

This more affordable cousin of the Droid has a lower-resolution display and 3-megapixel camera, but adds an optical scroll pad on the front and Motorola's BLUR software. Other features of this Android smartphone are similar, including a sliding QWERTY keyboard, GPS navigation, EVDO Rev. A data, WiFi, 3.5mm headphone jack, and memory card slot with 8 GB card included.

This entry level clamshell GSM phone has the same features as the T229, including Bluetooth, VGA camera, speakerphone, and Java for downloadable games.

This entry-level clamshell CDMA phone is similar to the LX-160 / Flare. Key features include Bluetooth, speakerphone, voice dialing, color outer display and hearing aid compatibility.

This tri-band CDMA phone has similar features to ZTE's C78, but in a slide form factor, and with support for push-to-talk. Other features include Bluetooth, a VGA camera, MP3 ringers, BREW, plus standard 2.5mm and USB jacks.

This minor update to the Pre has more memory and an improved keyboard. This CDMA smartphone runs Palm's WebOS platform, features a finger-touch display with a unique gesture area below, and a slide-out QWERTY keyboard. Other features include EVDO Rev. A data, WiFi, Bluetooth, 3-megapixel camera, and accelerometer for auto-rotation.

Cal-Comp's first messaging phone for Cricket. This affordable CDMA phone sports a simple slab design with a QWERTY keyboard and megapixel camera. Other features include Bluetooth, MMS, voice dialing and speakerphone.

This close cousin of the S1300 adds Bluetooth, but is otherwise similar. Key features of this bar-style CDMA phone include support for CDMA 1700 (AWS) networks, BREW for downloading games and content, microUSB connector and 2.5mm headset jack.

This basic bar-style CDMA phone is similar to the Spex, but is lighter, steps up to a larger display, and adds MMS and voice dialing. Other features are similar, including Bluetooth and downloadable games, applications, and content.

This iDEN phone combines a rugged clamshell design with relatively advanced features for an iDEN phone, including 2-megapixel camera, dual color displays, and a memory card slot. Other features include push-to-talk and stereo Bluetooth.

This update to the popular Lotus adds a large touch-screen on the outside, but is otherwise similar. Key features include QWERTY keyboard, EVDO 3G data, and a 2 megapixel camera with video capture, stereo Bluetooth and a memory card slot.