A coworker got word that I build computers and asked if I could build her son a VR gaming rig, so I jumped right on it. It was a blast getting to build something that I knew someone would enjoy. A month after I built it for them I checked in and was told the build works flawlessly and her son is very happy with it.
Notes about parts and compatibility:
Cryorig C7 - not sure if it was just me or if it was the AM4 fitting, but this thing was a monster to get onto the motherboard. Lots of pressure required to get the pins through to the mounting bracket on the back.
Corsair Spec-05 - Quite roomy except in the back. Definitely had to lay on top of the case to get the back side panel on over the cable management. Also the case was listed to support two 140mm fans in the front, which it did not. I had to mount one of the fans normally and the second fan had to be zip-tied in to screw holes that didn't align properly. Definitely should have done more research on this and gotten 120mm fans instead.
Other than those two little things, nothing really posed a problem. Everything went smoothly and booted up first try.