Pay as you go with the AT&T Z431
This simple messaging phone from AT&T has an onboard keyboard and a 2-megapixel camera.
Manufactured by ZTE, the AT&T Z431 is a prepaid GoPhone that's equipped with a four-row keyboard and a 3G data connection.
The device also houses a 2-megapixel rear-facing camera, a 2.4-inch touch screen with a 1,600x1,200-pixel resolution, and 58MB of internal memory.
In addition, the handset includes an expandable microSD card slot, and a 1,000mAh battery that offers roughly 4.5 hours of talk time.
The phone is available from AT&T and other retail outlets like RadioShack for $49.99 and requires no carrier contract.