So the wife and son are off to grandma's house, which leaves me with some free time on my hands. In honor of ATDG, my latest experiment is ditching Audyssey. So far so good sound-wise, and I actually utilized the built in PEQs of the PB13 for once, with a 3dB cut to tame a small peak around 45Hz, and a small boost to help out a small to moderate dip around 60Hz. Interestingly, the response in the bottom octaves now flatter at the main listening position than Audyssey ever got it.