Cables with the best highs

Given the "speed" of your speakers, your response to the Kimber on the upper octaves is not surprising (lack of air in harmonic core of note, energy loaded at the attack transient, etc.). Money doesn't seem to be an issue here, so with that in mind:

1. NBS Statement series I Blue sheath
2. Purist Audio Dominus Rev B
3. AudioNote (Kondo) KSL

The NBS will slaughter the Kimber on the mids and highs; AudioNote will best Cardas on the lows. My recommendation, however, is to use a speaker cable from one manufacturer (although I do recommend in many instances using IC's and spkr cable from different makers). Purist is a nice compromise. If it was me, and I was an experimenter with money falling from a tree in my yard, I'd listen to the NBS/AudioNote combo. Just don't be surprised that as your sytem improves in "musicality" (the ability of a stereo to catalyze a deepening musical perception in the listener's mind) that at those deeper levels, you perceive discontinuities when cables are matched, even good ones.

It would also help to know the rest of your system, IC's & PC's included, and, if an issue, whether you listen to digital or analog predominantly, and, of course, listening preferences.

Given solid state system, I would:

1. Cardas Golden Ref IC's all around.
2. Sterling is good spkr cable for bass(great application for subs actually), but you should go with Purist Proteus Rev B for cable on all the runs. Go with above recommendation and get a tri-wire.
3. Dump the Cardas PC on the amp (!) and find yourself an original Electraglide Fatboy PC.
4. Upgrade Viper to King Cobra on CD, version I, not II.
5. Work on the pre PC. Switch the Viper over from the CD to start off.
6. Take the Nordost out back and shoot it.
7. Get some furniture, rugs, plants, etc. At this level of system juggling, until you do you are just listening to slap echo at all frequencies. You'll run around in circles forever.

Good luck.