Err,
Uncle Mike , power cords , standard stuff or upgraded ...?
since i had the Equi=tech installed 2 years ago i have upgraded all my power cords (total of 12) to mostly Absolute Fidelity, which is from Gary Koh of Genesis Loudspeakers. Gary makes 3 different types; one for subwoofers and amps, one for sources and preamps, and one for tt's and RTR decks with motors. i've been very happy with these power cords.
i did compare the Absolute Fidelity power cords for amps ($1800 list price for the first 1.5 meters) to the Evolution Triple Run power cord ($3600 for the first 2 meters) and the EA TR was noticably a little better. i did not hear much difference when using the EA TR in other places. so i did acquire 2 of the EA TR power cords for the pair of 458's. it did take 15 days of burn-in on the Audio Kharma Cable Cooker for the very heavy and thick EA TR power cords.
3 sources-- dart pre, PD digital, King-Cello tape repro
3 motors-- NVS tt, 2 Studer RTR's
4 subwoofer--2 on each bass tower
2 amps--EA TR on the 458's
my Ampex ATR-102 has a captured stock power cord which we did try to retro fit an Absolute Fidelity power cord to, but Gary and i decided it was not worth the effort.
so i feel i've got power cords that do measure up to the potential of the Equi=tech and the rest of the gear.
power cords; check.
i did also break in the Furutech GTX-D duplex outlets which i am now using for the 458's. i have 5 of these GTX-D outlets along the front wall for amps; and had only been using the outside 2 for the subs on the MM3's and the middle one for the dart 108 stereo amp. 3 months ago i started using the other 2 GTX-D's on either side of the middle one alternating 6 weeks on each with my 108 to get them well cooked in prior to the arrival of the 458's.
and what's this 'Uncle Mike' stuff?