>>3817770That shot of the car is just one of the best examples out there.
They even show the image straight out of camera in their website.
You can go to Flickr and take a look if you don't want to use their own pictures as an example.
And that's without even addressing the level of detail they're able to get for a given resolution. The lack of demosaicing makes for a much better picture.
Ironically Fuji shines where Sigma is the weakest, and that's skin tones.
