TechReviewSource.com posted a review on the Pantech Matrix Pro

AT&T's latest dual-keyboard slider phone is the Pantech Matrix Pro, which is a dream for a die-hard texter. It's a successor to the Pantech Duo and now features two keyboards, one numeric and one QWERTY, in a slider-phone form factor. There are also several additions, including Windows Mobile 6.1, a faster CPU, GPS functionality, and more.

Pantech Matrix Pro Review