Sony's next handheld system has officially been revealed as the PS Vita. Some of the features include:
Dual analog sticks
Six-axis motion sensing
5-inch OLED touchscreen
Front and rear cameras
Cloud-based saves
PS Vita will be offered in two models; Wi-Fi for $249 and 3G/Wi-Fi for $299. The 3G model will (initially?) only be available through a partnership (ie data plan) with AT&T. 80 games are currently in development.