The U.S. Air Force fixed a pice option with Lockheed Martin in 1998 for 6 LRIP (low rate initial production) aircraft. The Air Froce fixed price contract options with Lockheed Martin of $503 million for two F-22 PRTV (production representative test vehicle aircraft. They are schedule to be delivered in Nov 2001 through Jan 2002. The two F-22's have undergone extreme testing, which includes 200 test hours and are currently flying at Edwards Air force base.
**My cousin worked for Lockheed Martin in Marietta, GA and he lets me know all the cool stuff about the F22.