The 2070 Super is a very good choice for the money. As we talked about in our last video, if your Premiere timeline uses the GPU a fair amount, you should be able to get a better boost...
The MSI X570 ACE is suited for overclocking, with a robust VRM solution, heat-pipe cooling, steel armor and cooling plates for all NVMe spots...
For Intel vs AMD creation, both the 9900K and 3900X provide excellent performance at their price point, but if you're going for maximum power, AMD is the way to go...