Appologize if I'm sounding retarded here, I'm a novice and have picked up alot in the past few weeks reading this board. Anyway, I just got an Orb Mod1 5 speaker 1 sub setup and the speakers sound fantastic on my cheap piece of crap Koss C-220 DVD/receiver (prologic 1 5.1 surround sound) when playing both CD's and DVD's. They sound 500% better than the original Koss speakers the system came with (hey I only paid $150 for it on Ebay- the Orb speakers I got cost me $699). I play classic rock and blues CD's in a normal size living room in an apartment building. If I buy a much better receiver, will the sound quality improve even more and noticably with these great speakers or will I see little improvement on an already great sound because of the new speakers? Also will sound quality improve with a better DVD player in regards to both DVD's and CD's or will it be negligible? I'm not interested in getting a 6.1 or 7.1 receiver, so please address this in terms of a 5.1 surround sound receiver and DTS is not a dealmaker in terms of getting a better receiver. Please, if answering speak in layman not mathmatical technical terms.