We have a whole forum on "the method of tuning" that we invite folks to visit if they wish to explore. Also two threads here that I recommend.
http://forum.audiogon.com/discussions/vibratory-or-not
and
http://forum.audiogon.com/discussions/referencing-vs-plug-play
as well on TuneLand which I will be building on
http://tuneland.forumotion.com/t467-the-vibratory-foundation
Michael Green