So here's what I went with for my final (as of now) build:
CPU:
Ryzen 3900x
MB:
MSI MAG x570 Tomahawk WiFi
RAM:
Vengeance RGB Pro 32GB DDR4 3200MHz (2x 16GB)
HD (System): 2x
970 EVO Plus NVMe M.2 PCI-E x4 SSD 500GB
HD (Shared Storage): 1x
860 EVO 2.5in SSD, SATA III, 1TB
Graphics:
GeForce RTX 2060 SUPER GAMING OC 8GB
PS:
Corsair RM850x 80+ Gold Fully Modular ATX Power Supply, 850W
Chasis:
Thermaltake S Series S300 Tempered Glass Mid-Tower ATX Case, Black
Plus a bunch of Fractal Designs fans (they were completely sold out of Noctuas).
OS1:
Pop!_OS
OS2: Windows 10 Pro
Still need:
- Noctua NH-U14S CPU Cooler, w/ Noctua NF-A15 PWM 140mm Fan
- Noctua NF-A15 PWM 140mm Fan