I have been looking at numerous receivers for over 2 months now and have vacillated over different models and how much I am willing to spend. What I REALLY want is the Onkyo tx-ds797. I can get it new for about $775 with a warranty. I have listened to this receiver in the store and like the sound quality. However, as a practical matter, I have not really been able to do really valid comparison testing of different receivers on a like system, with the same speakers. I currently have a two year old, $200 Sony receiver. I want to upgrade to get DTS and PLII, but I can get those features from an Onkyo 494, 595, or numerous other models in the Denon and Kenwood lines. I guess what I want to know is, will I hear any significant difference in sound quality if I shell out this much money for a receiver? I am kind of trying to head off buyer's remorse at the pass I guess. But I suspect that if many people were going to be totally honest they might offer the opinion that sound quality does not improve substantially until you go to separates, which is WAY beyond my price range. If that is the case, why not just grab the ds595 and be done with it until I can afford a separates system in the future? Oh, and I don't really need things like 6.1 decoding, although it would be nice to have it in case I move into a house in a year or two. So if features is the only issue, it is not worth the $400 price difference. It's got to sound noticeably better. My speakers are all Paradigm Reference line BTW for the fronts and Center, and Titans for rears, if that matters.