Most satisfying system change in 2017?


What was your most satisfying addition or subtraction for your audio system this year?  Looking for changes in gear, set-up, or listening environment.  What floated your audio boat in 2017?
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Added two vintage tube amps:
  • VAC 30/30 MKIII Signature (VAC converted my 30/70 monoblocks into two stereo amps... so I've kept one and will sell the 2nd one)
  • Music Reference RM9 MKII


A significant investment which made dramatic differences include the following in 2017:

Bricasti M28 Monoblock Power Amplifiers

Wilson Benesch Torus Infrasonic Generators/Crossovers/Amplifiers (Pair)

Akiko Corelli Passive Power Conditioner
polk432
Legacy Audio Whispers w/ Wavelaunch. Love em.

Old thread, but just had my Whispers / Wavelet delivered Saturday.