Just set the HSU up and from the initial listenings everything sounds great just to need the wife to go shopping or something if you know what I mean.

Now does it make any sense or is there an added benefit to purchasing a separate amplifier for my front speakers. Onkyo has an amplifier M-282 which I am assuming matches or at least closely matches the current amplifiers in the receiver. So I shut off the A speakers from the receiver and leave it to power the center, the rears and the sub. Or will I only get an improvement if I purchase a "nicer" amplifier.