Power cord choice?

Hoping to change (or upgrade) my current PC in use with my ARC CD3 Mk2. Currently I'm using a Locus Designs Polestar and setting a limit $600 max. I'd like to find a cord that can get more micro details from the ARC yet, I'd like to retain the smoothness but, try to open the sound stage and get a little more bottom in doing so. I listen to Alt rock (Sir Sly, The Killers, Gargage), rock, blues using Classe CAP 151 integrated and Apogee Slant 6s. I know this is subjective but, I'm also doing my best to work with my budget constraints and I'm not going to change if the improvement would just be slightly incremental. I'd like suggestions to consider, please.
Since my music was a bit too warm to my ear (I probably overdid with my $4500 speaker cables by Roznent II Bis...could not return them or exchange :( ) so I just cut off power cord that was feeding my upright Frigidaire freezer and spliced it into my system...wow...just wow!
Everything came to the right balance.
And with the freezer...I just used that cable for charging smart phone...was tricky with all the thin wires to get them settle in a typical plug...but I did it!

ps. sorry of all the product name dropping...but have no association with Roznent or Frigidaire
I was kidding around!...The power cable initially was for your freezer. Freezer. Cold.....

oh...I see....but I...I am not kidding, I do recommend such a solution strongly