Lot's of great information here, I'll only comment on the receptacles. I ran a good sized comparison of receptacles, and had a couple of my audio buddies give their 2 cents. I do not have my notes, so I can't go into detail on each.
I used 8 different including Hubbell, hospital grade, and a bunch of name brands.....there were 3 that stood out that I can recommend: Furutech GTX-D(G) Gold plated, Furutech GTX-D)R) Rhodium plated, Oyaide R1 (NOT Oyaide SWO-XXX), and Cardas 4181. I preferred the Furutech GTX-D(G) over the GTX-D(R) as I felt the Rhodium was a little too detailed. That is just my preference, I can see how many might find it just perfect