Last week I asked if getting an SPL meter and calibrating myspeakers would really make that much difference in the sound,etc. I got lots of comments and a unaminous YES IT WOULD!!! So I bought a rat shack meter, calibrated my speakers using the receiver test tones and yes, lo and behold I can tell a difference in balance and sound with music and movies. Now, I wonder if buying a setup CD will help even more. I know I need one to set up the video but are there tests on these CDs that will tweak the audio even better than it is now? Are the test tones "better, stronger, whatever"?