HAVE AN ONKYO SR800 THX.AND A 7.1 SPEAKERS SET UP ON MY BASEMENT 20X16 ;SOUNDS GOOD BUT I WANT MAKE IT SOUND BETTER.I AM THINKING ABOUT AN OUTLAW 7100 AS MY AMP AND CONFINE MY ONKYO AS PRE.$900 IS NOT AN ISSUE BUT SPEND THAT AND DON'T GET ANYTHING BACK DOES NOT MAKE ANY SENSE FOR ME.SHOULD I BUY IT ?WILL IT IMPROVE MY SISTEM?