Find Part 1 of the series here.
Now that I had chosen the parts, it was time to put it together. One thing about ordering parts from different sources is that they rarely arrive at the same time, and so there is an excruciating wait while your hopes are up. They all came in eventually, so it worked out in the end.
I was quite surprised with the size of case's carton. It was much bigger than the actual case, probably because of the generous protection for the tempered glass inside. The salesman even commented on its size, despite the case only being a mid-tower!
Opening that box, I found the case inside a cloth bag; nice! I will definitely be keeping that. After removing both side panels, I proceeded to install the power supply: