Question Is this system upgrade good?

CrillyWillyAU

Prominent
Feb 18, 2019
17
0
510
I am thinking of upgrading some of my pc parts. Do you guys think this is good and stable. And maybe what motherboard I can get for 250-300 au.

GPU: RTX 2070
CPU: INTEL CORE I7 8700K
MOTHERBOARD: NOT SURE YET
PSU: 750W GOLD G3