Available in Japan from June 15th 2012 (￥47,105Prices are approximate only and subject to change.
White Rabbit Express service fee and other costs not included.)
Sony’s newly announced Cybershot RX100 is said to be the world’s first compact camera to feature a 13.2×8.8mm 20.2-megapixel Exmor CMOS sensor, which is about four times larger than conventional point-and-shoot camera sensors.
Read more at the British Journal of Photography
Additional details can be found at dpreview