Im very impressed by the 800 series that Im considering getting me the 804Ds. Im currently using Harman Kardon AVR660 which has plenty of head room. I know its ideal to go the separates route but I cant for now. I want to know what you guys think of 804Ds being pushed by HK avr660. I know it may not drive them to their full potential but Will it struggle so much that I shouldnt consider getting the 804Ds until I can afford separates? Pls help