The F-35 is going through its paces now, and is gonna be built.

http://www.flightglobal.com/articles/2007/03/14/212602/picture-lockheed-martins-f-35-joint-strike-fighter-soars-on-first-afterburner.html

The bad news: You can't VIFF. :(

http://thedewline.typepad.com/stephen_trimble/2007/03/sweetman_no_vif.html