You know, that list is scary. The truth is that I have either owned, or have had extensive experience with darn near every component on the list.

That's just not right, especially at my age.

Every item listed this far is a solid, reputable piece, and will stand well on its own merit given the proper situation. However, the description of 4 ohm or 6 ohm speakers really doesn't tell us a thing. Unless my blind self has missed the print that identifies an actual make/model - that'll go along way towards guiding you in the proper direction.
For what its worth, out of the group, I'd go ahead with the *un-mentioned* $980 Vista Audio i34. No, it's not very well known around these parts - but it is a musical champ and has all the qualities you're looking for. (extremely quiet, balanced, chalk full of tone, easy to maintain (self biasing), intensely musical, not bloated) Hell, I even preferred its little brother (the i84) to the other gear listed above, including the Prima Luna ProLogue 1 and 2 integrated amps. The only reason I cannot recommend the i84 is due to its limited power / dynamic prowess. Considering that Boris gives you a VERY generous trial period with the gear, there's almost no reason why not to try it. If you end up not caring for it, all you'll be out is shipping.
For what its worth, I've run the little i84 on the: ACI Sapphire XL, Totem Acoustic Forest, Totem Acoustic Sttaf, Dali Mentor 5, Mark and Daniel Topaz, Polk Audio LSi-15, Ascend Acoustics Sierra 1, Odyssey Audio Epiphany II's - with zero problems. Granted of course, this is in a small room. For a medium sized room, the i34 would be a must.