1. Radar of EF will be
"Fully operational" by 2015.(From Your Source) . So when you say "ready" in the following statement of yours do you mean "Fully operational"?
If yes, then even Rafale radar is not ready (fully operational)!
source
2. Also the new radar on the typhoon is the next step after CAESAR the earlier AESA experiment with major changes like
swashplate design,higher TR modules, better algos for ground attack.
Will post a reply to that in few hours, gotta answer the RCS point from benny first!