Nikon has extended its CSC range with the arrival of the S1. The Nikon 1 S1 is the first model in the new S-series, with the intention for models to be fast, stylish and straightforward, aimed at appealing to users of compact cameras looking for better performance and image quality, while it sits below the J-series in the Nikon 1 hierarchy. See what our first impressions are of the Nikon S1