Which power cords should I look at?


I'm using a Shunyata Alpha Anaconda  Helix to a Hydra 6 with a dream State Veridical to my PS Audio Perfectwave  transport and Audio Art Statement 1 cables to the rest of my components with a separate Dream State to a Hydra 2 with an Audio Art Statement 1 to my Pass X250.5 from the Hydra 2. The sound is nice but I read posts of where people use 3K to 6K power cables and of course that would be an improvement but what might people recommend in my system. The Audio Art Statement 1 cables are DH Labs Red Wave cables with nice Furutech connectors. In other words I'm using 1K cables or less and I'm wondering what might be a realistic upgrade to my current cabling. My signal cables are Cardas Golden Reference and I love them. My system sounds nice but curiosity has me wondering what might be a nice upgraded cables in my system?
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I agree with mrdecibel in that power cords can reduce the noise floor. They have in my system using Oyaide's Tunami cords. Another great way to do that is to replace the standard outlets with audio grade outlets such as SR's. The benefit from this...In addition to it being less noisy, you'll notice more space between the instruments and better definition. That has been my experience.   
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@mrdecibel 
I completely agree . After replaced the factory power cord to Virtual Dynamics Revelation in my CJ Premier 140, my system was transformed to a different level.
@dangcaonguyen. The CJ Premier 140 was definitely a step up over the mono 12's in sq. If I remember correctly, the supplied cord on the CJs were 16 gauge, maximum 14, and were 8 - 10 ft. Why a few feet of ac cable at the amps input ( or at the input to anything ) makes such a difference is still a science I do not quite understand, although so many theories and explanations abound. What I do know is, I have " hotwired " bulkier, better shielded power cables for 40 plus years on gear ( before iec inlets ), and it has always improved the sq in so many ways. Happy new year, and Enjoy ! Always, MrD.
I just purchased a ZU Event (mk 1) power cord. I'm looking forward to trying it. To be honest I'm not expecting any sound upgrade. I mainly wanted a shorter cord so the back of my rack is not so cluttered.