Are you sure you want to have in wall speakers? I did not hear Paradigm in wall ones, but I do know how B&W CWM 650 sounds. Actually they are not bad, but not so good as usual 60x series speakers (for the same money).
So, take into account that for the same money you can get better speakers then in wall ones...
Thanks Bezel. Yes, I do need in-wall/in-ceiling. The wife gave the okay on speakers so long as they don't appear in the room. So, in-walls or nothing is my choice.