There are many different set-up regimens out there. I have have heard good results from most of them - if the process is carefully implemented. The one, devised by Jon Hunter (then at Sumiko), relies more on "tuning-by-ear" than some of the more rote methods which adhere to formulae and measurements.
Proper techniques for the cleaning and preparation of audio connections.
An excellent article from cable manufacturer Nordost, explaining how and why a digital cable is so important
How vibration can negatively impact our systems, and what we can do about it
A short story about how a seemingly minor detail can have a profound impact on performance