Ordered these around 2013/07. As expected you can get better/cheaper stuff today.
The Lian Li PCQ-25b was the main thing I wanted, it is a mini itx case with no stupid CD ROM bay that will hold like 8(?) drives. It was hard to find a mini itx motherboard at the time with lots of SATA ports on it. But easier now i'm sure.
I stuck a crappy old power supply in it that I had left over, so that's not included. If you spend extra and get a "gold" or "platinum" instead of "bronze" its efficiency is greater (which lowers the amount of power it will use, especially when the components draw less.)
The CPU i used back then was 32nm sandy bridge; they have 22nm ivy bridge now, which are more power-efficient i think.