Nikon J1 and Nikon V1 both sensor score is out at DxOMark Lab (See press release), see Nikon 1 series at Amazon
Nikon J1 showed some good result at DxOLab, the Nikon J1 sensor score is better compared to High-End Compacts available in the market.
But Sony Alpha NEX-C3 16 MP available only at Price $599.00 at Amazon have better sensor score and low price compared to Nikon J1 (Price $649.00) camera