I'm building the SU-27 Yardbird ATM,
http://yardbirdrc.com/index.htm
really a super nice kit.
here is a thread on the F-22
http://www.rcgroups.com/forums/showthread.php?t=749333
with full review.
Very similar design. Only difference I can see is the underbelly lacks a hatch.
I've flown both in the REALFLIGHT sim, and they are a blast !