According to the Official Weibo fo DingSheng forum, the 2011 had a high-speed taxing yesterday at Chengdu. According to them the previous 2001 and 2002 are all just technology demonstrators for the 718 programme, and this will be the official prototype for it. It is estimated to fly before 11th Jan. The modifications will be:
1、Remove the pelvic fins.
2、Clipping of the vertical stabilizers.
3、Thrust vectoring engine nozzles.
4、The main weapon bay can now carry six PL15 missiles instead of 4.
5、The paint job will be that of similar to F22.
Here's a sketch of what 2011 roughly will look like. Anyway whether true or not we'll know by this month I believe
Also, Happy New Year to all members!