Sony expands high-end Cyber-shot lineup with RX100M2, full-frame RX1R (hands-on)

Sony's brilliant RX100 and RX1 advanced point-and-shoots will live to see another day. Instead of replacing these two well-received pocket cams, the company has opted to expand the upper end of its Cyber-shot lineup, adding two very compelling new models. First up is the RX1R, a full-frame compact that'll retail for $2,799, the same price last year's model still commands today. In fact, it's nearly identical to 2012's flavor, with the exception of a redesigned sensor, which drops the optical low...