The new Arduino Due is based on a Cortex M3 ARM processor, and features a SAM3X8E processor from Atmel, based on the 32 bit ARM Cortex M3 architecture running at 84MHz, USB 2.0 interface that can be used as a USB Host to connect devices like cameras, mouse, keyboards, etc. Arduino due is schedule to hit shelves today  for $49.

source: http://www.engadget.com/2012/10/22/arduino-due