We've been using a Sony DSC-RX100 for the last few days and have prepared a hands-on preview of the 20MP, 1" sensor compact. Its 13.2 x 8.8mm sensor is over twice the size of most of its peers and, despite this being the same size as Nikon's 1 system cameras, the RX100 is genuinely pocketable. We've used our time with the camera to prepare a detailed preview, looking at the camera's key features, and have also shot a gallery of real-world samples in a variety of shooting situations.  

Sony Cyber-shot DSC-RX100 preview video