Contact PeterT an inquire about the Atlantic Technology's 4400 SR.

Since Atlantic Tech is the parent company, maybe the Outlaw surrounds and the 4400's are close in timbre.

Also, call Outlaw and speak with Scott. I imagine that both Scott and PeterT have probably listened to both models and could give you some insight.

One last thought, Gonk replaced his Paradigm's with the Outlaw bookshelf's and an LCR. Find out what he had for rear surrounds before the Outlaw SR's. I believe he tried the Axiom's.