What Power Cord can improve clarity and bass slam?


My price limit is around $1K new or used. The new pc would be plugged into a dedicated line(12-gauge Romex)using an Oyaide DX/WPC-Z wallplate. My amp is a Valve Audio Predator/Mullard CV-2493-Northstar Sapphire CDP and Focus Audio FS8 speakers. Cables are JPS Labs-Superconductor Q/Plus. I would be replacing an Opera Audio Ella Baby pc on the Predator. Want to improve clarity in complex passages, add bass slam/definition and create a more open/liquid presentation without giving up speed-resolution and neutrality which are my systems strengths. After many hours of research here is a list of power cords that could work.
Cable Research Labs-MK 2
DH Labs-Red Wave
JPS Labs-Kaptovator
Silver Circle Audio-Vesuvius
Stealth Audio-Cloude 99
VooDoo Cables-Black Diamond Dragon
Your comments regarding these power cords would be appreciated along with any other suggestions. Look forward to your responses!
dayglow
Thanx Mike, and to all that have responded. I just purchased a RSA-Elgar to give my source the cleanest power without overdoing it. Was nearly sold on the Sablon-Gran Corona($850-new) but the cheap Nema plugs brought hesitation. I was unaware of the Tel Wire pc it looks very promising, the Oyaide 004 plugs are a nice touch. Please keep the comments/suggestions coming. Will keep everyone upated!
I've owned the Haley, Duke and Jaco from RSA. RSA makes great PLC's, very powerful and dynamic. Enjoy your Elgar.
I have a Jaco and will institute in my system in a couple of weeks. IMHO and after trying JPS, Audience, Shunyata and MIT, the HiDiamond PC 3 walks all over them in spades and are much cheaper. They just sound so right...
I am surprised no one has mentioned the LessLoss Sigs. IMHO these are among the best on the market, including cost-no-object (its a subject!) cords. I have or have had most of the so-called Big Boys and the LL Sigs are right up there. And easy to manipulate too.

Neal
You should just borrow cords and see which has the best synergy with your system. The best cord I used on my VAC Phi 200 tube amp was a Fusion Audio Enchanter. Great bass weight, slightly warm sounding. WyWyres also delivers awesome bass. Both companies offer trials. I would not commit to pay $1K for a power cord I have not demo'd...too much hit or miss involved