“As a secondary camera, the images are consistently so good that you’ll rarely find yourself too disappointed on the occasions you didn’t have your big camera with you.“
DPReview has posted their review of the Sony DSC-RX100, with 20.2MP resolution (1.0-in. CMOS), 3.6x wide-angle optical zoom (28-100mm equiv.), fast F1.8 max. aperture, optical image stabilization, 3.0-in. LCD (1,229k-dot), PASM modes, Scene modes, RAW, built-in Flash, and Movie 1920×1080/60p.
Read the Sony RX100 Review @ DPReview.