Running All Your Cables with The same Brand

I have my system wired from Wall Plug to Speakers with one brand and have been very happy the results. But my components are a mix of brands, purchased according to the individual sonic performance they offer.
So to the question of synergy, yes is my answer.
To the question of component benefit, I doubt it.

I found the synergy of same brand to be most important with I/C's and speaker cables as they are the most "Intimate" with the signal. I am a big believer in after-market power cords as well but find that since they are delivering their "signature" before the component does its job, then they are less needed to synch with the output of that particular piece...For example, I too am a huge Harmonic Tech fan and have been moving up their line for well over 10 years and currently love the Pro 9's with the Magic 2 I/C's (also their Magic Digital Link between transport and Dac), but after some experimenting with their power cord I have found other [brands] that work better in my system.
Good luck and enjoy,

Zyac39-

not a bad thought in theory. Yes you could run all cables/cords w/ the likes of Transparent, Cardas, Kimber, Nordost just to name a few.

Cables/power cords (especially) are my 1st love and facet of our hobby. My reference power cord, at this juncture, is the Stage III Concepts. My 2nd choice would be Silent Source Musical Reference. 3rd choice would be a Wireworld Electra 7. You can deduce how this list would carry on...

Keep me posted & Happy Listening!

Signal cables and power cables from the same brand as well? How about this: all signal cables are the same model (IC and SC)?

Yep DNM HFTN all around :)