A few little things added this year to my main system.
Black Ravioli Big Pads.
Aqvox Power Supply to Halide Bridge.
Changed Jerry's BNC Halide Bridge (that cuts out periodically) to an RCA version.
Added FO.Q TA-32 tape to chasis and internals.
Finally caved in, and bought a bluetooth receiver (for daughters and wife).
An iFi Zen Blue.

Then portable, bought a modded iPod Video with 128Gb SS Drive and diy Dac mod.
Had to get some ALO second hand cables to go with it.

And just upgraded DAC, USB SPIDF and cables at work.
From a HiFace2 to an EVO2 with Evo Clock and Evo Power Supply.
Bushmaster II to SEG Dac.
Atlas coax to Black Cat Silverstar.
Pangea Premier XL USB to Mad Scientist Black Magic USB.
And got an Audioengine B1 bluetooth receiver.

So, not much, but quite a bit.