Ricoh GR sample images is now available, Ricoh GR features 16 Mp APS-C sensor and No OPLF (Optical low-pass filter), GR comes with newly developed image processor, so you get low noise in high ISO images and a continuous shooting speed of 4fps @ 16Mp, The ultra compact APS-C GR will cost you approx $796, available at B&H
also see Ricoh GR announcement Page for press release, specification, and images