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

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?

You will save a LOT of money if you build your own speaker cables out of CAT 8 cable. They sound great.

15’ +; 15’ - is 30lf for one cable. x 2, you need 60lf

here’s 75 lf white Cat 8, oxygen free copper

cat 8, white, 75lf, OFC

cut the ends off, strip and twist/crimp the 8 copper strands, attach them to these banana, or spades

banana plugs

spades

8 strands 26 awg is equal to 17 awg.

combined wire gauge calculator

8 strands 24 awg is equal to 15 awg

cat 8 24 awg