For the fronts stay with the brand you have as the L/R and there recommended. The CC370 is a good Center speaker and a great match for the Paradigms but not for the Axiom. For the rears that's up to you to decide.But remeember the Axioms are a Quad pole and the Paradigms are Dipoles different sounds, for my 2 cents stay with the same manu for all except the sub.