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?
Ag insider logo xs@2xknownothing
Upgraded from Sonos Connect to the Aurender N100H streamer with Tidal, then added the level 3 Holo Audio Spring dac.........oh yeah!
fourwnds,
Just make sure they are MK II, they are claimed to be a big improvement over the original. 
Tidal + Bluesound Node 2/Powernode 2. Changed the way I listen to and purchase music. The only music I buy now is vinyl.