Don't know about an AWACS picking up an F-22. My guess is that it would be too late to stop an F-22 AMRAAM.
Supercruise is actually a good egress capability. Once you nail the suckers, they have a rough idea where you are, so the faster you get out of there, the better off you are.
That's right, you can get out of there without providing a huge infrared target with afterburner. Definitely a plus. This plane has some issues but I think it's going to turn out to be a really great plane.