This isn't gonna be a particularly interesting build, for the most part, at least right now, but I figure I might as well post it up anyway.
Parts:
ASRock X99E-ITX/ac
Xeon E5-2680 v4 more or less
2x Samsung 32gb DDR4-2133 RDIMMs (P/N M393A4K40BB0-CPB, can confirm they work fine with mobo if...