All interesting but this is one of several "state of the art" fighters revealed by the Chinese during the past 20 years and the others didn't seem to go anywhere. (J-8, J-10, J-11, JF-17) It sure is pretty though...
In the link Max posted the photo shows the sawteeth around the landing gear doors - definite stealth configuration, but who knows, it might be for the benefit of those viewing the photo.