AT&T is going to launch the new Pantech Matrix mobile phone. Like the Pantech Duo, Matrix is a dual slider.
Pantech Matrix supports UMTS and HSDPA networks. It features a color display, a 1.3 Megapixel camera, Bluetooth Stereo 1.2, and a slide-out QWERTY keyboard. The Matrix is able to record and play MPEG4 videos. It offers also XM Radio, and integrated music player supporting MO3, MMF, AAV, AAC+, MIDI files. Matrix has a microSD card slot.
Update: The phone is now official and will be available on 16 October for $79.99 with a two-year agreement and mail-in rebate.