Interconnects and Speaker Cable, What in your history hit your pleasure button?

I demo’ed a preamp last year and needed to borrow another set of interconnects because my preamp was a preamp/DAC unit.  The dealer (audio archon in Chicago area) loaned me Planus silver AG by MG audio.  The interconnects made a bigger difference in my system than the preamp did. But took me a lot of juggling positions, switching the cables and borrowing another cable from a friend to confirm it was indeed the interconnect.  Replaced my other interconnects (purist audio) with the MG Planus AG, too.  Special ordered one to a custom length an purchased a demo from the dealer, each was under a grand.

IMHUOAE (In My Highly Unscientific Opinion And Experience), after trying numerous cables (interconnects), I concluded that well designed and built cables made from copper were best for my ears: most natural sound with zero anomalies.

I have tried them all and the ones that 
really got my emotions going 
was Black Cat from Chris.
He is on to something great.

After Trying several brands over several years, I have been very content with Thales Interconnects and Speaker Cables. 
www.tonarm.ch › products
www.aaudioimports.com

When I added a a Super Tweeter to my system I used Silver Cabling from
Tempo Electric
www.tempoelectric.com › cables_speaker-cables

meiatflask, I chortled at your comment, "he interconnects made a bigger difference in my system than the preamp did," not out of mockery, but because of understanding. I have had similar experiences between cables and components. It's tremendous fun for me to tune a rig with cables in order to achieve a sound that I relish. Kudos on following up the experience with commitment to the improvement.  :)