I am planning to buy onkyo ht-s9100thx so want to know as i am spending $950 the right way or not? So can anyone tell me how much better onkyo ht-s9100thx over the onkyo ht-7200? And please tell me the difference in features of both. As i am buying it first time so i fear of wasting my buks, please suggest me though i can opt for best one? looking for your replies!