Excellent appraisal Matt, and I concur with all said.

PGM should consider to make this a sticky.

The subject is raised often (I certainly investigated it in detail too before upgrading to Audiophile), and it would be a valuable resource to users exploring the benefits and differences between versions.
BIAB&RB2020(Audiophile),Win-10Pro, SonarPlatinum, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, KorgX3R, RodeNGT2, AM802mixer, NS40M StudioMonitors, Pioneer Act. Mons, AKG K271 Studio H'phones