Awesome build!
I always liked the Cube form factor. Having the internals so easily accessible is great design.
The LP-179 motherboard is interesting as well. I've been looking for a NUC replacement, but the newer models have lost the small form factor, and this looks like it might be a good alternative.
The Pico-ITX standard is not popular though. It was introduced by VIA way back in 2007, and hasn't had much industry traction. Case in point: I can't find a good case for it. Can someone recommend one? Or maybe I could retrofit my ancient 4"x4" NUC for it...