Speaker cable suggestions

Try Time Portal Reference will not break the bank and will surprise you for the money

@Lowrider57- My current speakers are Tannoy DC10T on Townshend Seismic bars.
The sound is very detailed, fast etc. but can on occasion be a little harsh in the upper mids.

@Zd542- I'm sure there are benefits in replacing all my power cords with super high end offerings but for the moment I'm confident that a speaker cable upgrade will yield excellent results.

Which speaker cables are some of you guys using/enjoying?

I use Audioquest. They get the best reviews.

Infection... Purist Audio Design or MIT have no harshness and do not roll-off the highs to achieve this. MIT sounds neutral to me and Purist is slighly warm. Both sound very natural and organic, IMHO.

Look up the the Cable Company.com to use their lending library where you can sample many different brands.

A good power cable to try to alleviate harshness is the affordable Pangea sold by Audio Advisor.

Try all of the above in your system. I had a ear opening experience with Clear Day speaker cables.
Only when you try the cables in your system, will you be able to decide which one to keep.