Like PH it's quality but wouldn't have been my fine detail choices, but then PH and I would both make different fine detail selections anyway.
The belt drive is neither here nor there, as nothing to stop a switch to a chain drive at a future point. Whereas the reverse isn't true, if you don't have the split in the rear triangle, the correct clearances and stiffness in the right places, retrofitting a belt drive would be expensive and risky.
Our choices on core funtionality are similar, rohloff - check, moveable droputs - check, facility for full racks and guards front and rear - check, geometry to work with flat bars - check, big clearances - check. Differences - I've gone chaindrive only, 700c, disc brake only and thrown in the ability to run derailleurs as well as hub gears. But you may have that last bit I can't quite see in the pics.
I look forward to your ride reports - be as geeky as you like about the technical bits, some of us like that stuff