This was a really good thread. I agree that the question does not get asked enough. Something you might want to do if you are searching for amps is to go look at a couple of McIntosh amps with wattage meters on them. That way you can get an idea of the wattage it takes to drive speakers even if you don't want or can't afford McIntosh products. Also, a lot of the higher power/quality amps seem to have more control over the speakers production of sound. In terms of SONY, I just wanted to say I liked my STR-V333ES, when it worked !! I tried out their new STR-DA3000ES in my home for about a month and took it back to the dealer. It only put out about 110 constant wattage and 120-130 watt peaks. There was also a little hiss in the backround at ALL volumes. If you are considering this model line you may want to stay away till they iron out the Digital Amps