OK, so this is what I think I'm going with.
As per PsYcNeT's suggestion...MOBO
https://www.memoryexpress.com/Products/MX68577
M.2 Samsung SSD Drive
https://www.memoryexpress.com/Products/MX72256
Phanteks Enthoo Case. First new one I've bought in years
https://www.memoryexpress.com/Products/MX65141
RAM - 16GB S.Skill Trident
https://www.memoryexpress.com/Products/MX63831
Processor: i5 8600 Unlocked 3.5GHz
https://www.memoryexpress.com/Products/MX68271
Already have a quality PS and graphics card. WIDE open to suggestions, especially on the RAM. Going to go with just air cooling for now. Will look at liquid cooling if/when I want to overclock that processor.