New silversmith fidelium cable

You need to try the speaker cable. It is a complete game changer in the audio industry. Probably the biggest improvement ever in sound quality and realism. These will impress audiophiles all over the world. 
Nope pretty straightforward. They require a bit of finesse as these are like paper thin and about 3 inches wide. You can overlap them easy enough though which is what I had to do at the speakers. I had to buy 10 footers so now trying to come up with some nice cable holders to keep the closer speaker line from being a jumbled mess. Listening late last night was fantastic. Vocals drums and piano in particular are crystal clear, fast and so realistic in my system. I haven’t tried them with much rock yet but the jazz, acoustic, vocals and orchestra all sound wonderful. 

I have used these with flat speaker cables in the past. If they interests you, keep an eye on them. They are currently sold out but he often re-stocks them.
Breaking in the Cary 700 and the Silversmiths.  I have the same setup. Very nice match.