John: agreed, that all channels simultaneously to full power is a test that I would probably NOT use at my home. But, it would be an indicator of how rugged the amp is. And, that is what I am looking for right now, indicators/ metrics to compare one piece of gear to another.

In any case, I've learned a lot reading all of those articles. I thought that they were quite interesting even if the FTC rules were "difficult" to read.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV