This update on the popular BlackJack smartphone has a few evolutionary bells and whistles that make it an improvement over its predecessor. The phone, which runs on Windows Mobile 6.1, has a jog wheel for quick scrolling, built-in GPS radio with an optional TeleNav GPS Navigator, a 2 megapixel camera and is compatible with AT&T's Video Share service.
Links:
[1] http://www.fiercewireless.com/special-reports/motorola-q-top-selling-smartphones
[2] http://www.fiercewireless.com/special-reports/5-top-selling-smartphones
[3] http://www.fiercewireless.com/special-reports/samsung-blackjack-sgh-i607-top-selling-smartphones