can you help me narrow my speaker cables short list please?

I’d be inclined to find the cables that sound best to you and then do a cover or whatever.  Choosing only from white cables would be debilitatingly limiting to me, but then sound is paramount in my world and realize there are other considerations for others.  Such is life.

at this point, my number one preference would be white cables under 1k

listed are the ones I've found

from that group, the best sq

Synergistic Research Foundation series is available in white. 

You can find that on Amazon. No audiophile blessings, bragging rights  or name brands for the most part  though.  Just nice quality wires for < $100.   

You left out a very crucial details for any useful advice - what components do you have in place, particularly speakers, preamp and amp; and what sort of a sound appeals to you most?