Well, the Magnolia should have the Pioneer Elite and The Denon...if you've got a Circuit City nearby, they might have the Onkyo.
In any case, the Onkyo really does seem like the best bank for the buck...worst case scenario, you have to return it because you don't like the way it meshes with your Axioms (although I don't think that'll be a problem). AFAIK, the Onkyo units sound a lot like the Pioneer Elite stuff...tending toward the neutral.