The J-10 is one beast of a plane. Those who say that it is a 80s technology obviously have no idea of what they are talking about. The J-10 has been developed to replace the Russian jets in the PLAAF and is touted as the future main-strike air-craft of the People’s Air Force. It has the ability to out-maneuver advanced American jets such as the F-18 and easily surpasses the current F-16, itself the most successful air-craft ever developed. Furthermore, the aircraft employs a high degree of composite materials which gives it a certain degree of stealth capability. In addition, with 11 hard-points the aircraft has the potential to be a great strike fighter. Also, it uses thrust vectoring technology which will give it the upper-hand when engaging in dog-fights and as a result comes off as a superb point defense air craft.
Furthermore, the aircraft has been a top secret project till a couple years ago with only the Pakistan Air force and the Chinese air force knowing the existence of the project. In addition, any exports of the air craft have to wait till the Pakistani air force and the PLAAF get their orders as they are the makers of the air craft. Reports of the Iranians buying the J-10 are baseless and even the Chinese have denied the reports. (
http://www.iht.com/articles/ap/2007/10/ ... r-Jets.php).