So, after finding the rather banal problem to my non-starting rig (you never know before you find it - the search has been on the exciting end of things), I have re-... I should be good to mount the top cover to the build.
Congratulations man, this thread is in my bookmarks for over a year and from time to time I came here to see your progress... now to the last part benchmarks! I'm really curious about what clock speed that 3090 will hover under gaming load.
The 12900k is a consideration indeed... doesn't beat the 5950x for raw compute but for 3D performance it's a consideration... plus I assume it to be a bit more forgiving than the 5950x (more on that to come)