Sony announced the successor to the RX100 today. The impressively named "RX100 Mark II"... :) In case you didn't already know from my many glowing posts regarding this gem of a camera, if you're a climber, backpacker, hiker and / or skier you should buy this camera. Key aspects that are important for people traveling far with large loads;
The detailed specs can be found at depreview.com.
My trip up Amery is a perfect example of where this camera shines. I also used it on my Columbia Icefields ski trips the past year. Here's some samples - click for full size.