It's going to be funny as hell when the Chinese version dramatically outperforms the great-at-nothing boondoggle we've talked ourselves into buying.
It'd be even more hilarious if the Chinese stole the plans to the F-35 and produced it verbatim. They'd realize they would have wasted a great deal of espionage and manufacturing effort on producing the lamest fighter ever.
The Buran was basically a money pit for the USSR.