What is the #1 equipment want currently on your HiFi horizon???

I've been toying with the idea of investing in an R2R DAC.  Specifically the Denafrips Pontus II. 

I haven't pulled the trigger because I'm fairly confident it wont be a order of magnitude improvement over my current Gustard X16.  

I'm keeping and eye on the used market and if a good deal on a Pontus II pops up, I might go for it.