E-book device maker iRex has signaled it's planning to launch a smaller, touchscreen reader that would do battle not only with the Kindle but Sony's PRS-600 and other touchscreen devices. The unnamed device, a mockup of which has been sent to CNET, would be substantially smaller than the Digital Reader 1000 with an 8.1-inch display controlled by a stylus. It would have built-in 3G and, like the
