I went with a Z370 board since it allows for native NVRAM and this board has support for Coffee Lake out of the box. I'm using Opencore 0.5.3 to triple boot between macOS Catalina, Windows 10, and Ubuntu.

Everything working great in all three operating systems.

Hardware:

Monitor: Viotek GN32DB Curved 32-inch UHD

Case: Cooler Master Centurion 5

Powersupply: Thermaltake GX1 500W

Mobo: Asus Prime Z370-P II

Proc: Intel i5-9600K (slightly overclocked)

CPU Cooler: Cooler Master Hyper 212 Evo

Video Card: Sapphire Radeon RX570 4GB

Ram: 16GB Corsair Vengeance LXP 3000MHz

Wifi: Apple Broadcom BCM94360CD native bluetooth/wifi

Storage:

Catalina: Adata XPG SX8200 512gb 3D NAND NVMe Windows: Samsung 850 EVO 256gb SATA Ubuntu: Samsung 830 250gb SATA 

Shared Storage: Seagate 750gb SATA formatted in exFat

macOS Catalina

The Beast