My current set up. Paradigm Esprit fronts, cc270 center and ADP170 surrounds. Sony 60A3000. Klipsch subwoofer and Onkyo 605 receiver. I recently had to rearrange my theater, which puts my main seating couch against the rear wall.(approx 9ft from tv) I now have no side walls for the surrounds so they are mounted on the back wall to the left and right of the couch. Questions: # 1 Will the adp170s be ok on the back wall? I am considering an up grade to a new receiver(Denon or Onkyo with Audyssey XT ) or new Speakers. #2 Would it be better to get the receiver or speakers? If speakers what brand do you suggest Thanks