^^That's definitely a really nice connector Mr.Jim a lot heavier duty than the one on the subwoofer I bought.
I've read lots of both positive and negative things about Axiom...but my sisters 5.1 set-up works fine and sounds good. My brother bought a sub and rear surrounds from them and he's happy....
My advice would be to make a trip to the closest high end store in your area, and listen for yourself to what's available in the price range you are comfortable with. Then wait till after Christmas and scoop up a good deal as they move out the old stock to make room for the new arrivals.
I am satisfied with my Sierra's from Ascend Acoustics and my SVS subwoofer both of which I bought online.