Sigma SD15 High ISO in Low Light Conditions Compared to Competition

One of the reason that I have been thinking of buying the new Sigma SD15, is that Sigma has incorporated the Foveon X3 sensor in its DSLR cameras line. The advantage of the Foveon sensor over the Bayer sensor are pretty huge in terms of image quality. I know that some of you are favor of the Bayer sensor, or actually prefer a Bayer sensor on a better DSLR body, instead of a Foveon sensor on a