My original plan was to build this in a be quiet! 900 Pro case. It got lost in shipping and so I though I would shop local and see what was available. I came across the Core P3 and thought this would be kinda cool and if I didn't like it I could always rebuild the system into a new case later. I mean...who wouldn't want to build two computers? Realizing that I didn't have a lot of desk space and got the smallest room in our new house for my office I decided to build and keep this system that fit the space better. I am still getting used to my PC hanging on the wall. For being an open air setup it is super quiet. The PSU is completely inaudible with a Silent Wings 3 fan inside and I don't hear the Corsair ML fans until they are well over 1100rpm.
Because the Core P3 case (chassis really) doesn't support eATX motherboards I used some thick spacers behind the AIO to create a gap to pull cables through and you cant even tell. I kinda like that absence of empty space you find in many cases. I now have all my hard line water loop parts I planned to use sitting in a box while I figure out how/if I can do it on this and hang it on the wall.
UPDATE - I really appreciate all the nice comments. I thought the build was kinda...meh. It has convinced me to really do more with it even though I call it "completed". And in time I will update with new pictures. I think I have the water cooling sorted but I will need to fabricate a few things first to get that done. I started building PC's in the mid to late 80's. Well, it was just assembling them really. Sometimes just painting the beige cases black was a mod in itself. I remember putting a hook on the side of a computer for my beeper, haha! I have not done a build since 2010 and I have really enjoyed doing this again. Again, thanks for the good words!!!