So I have issues with hud blinking/flickering in DX9 with crossfired 6870's just putting that out there that the issue is present for me only in DX9. DX11 the problem is nonexistent

So, play only DX11?

I prefer to use the least amount of GPU power, to maximize system response. It'd be great to not have to play the currently unoptimized dx11 CF setting. The less things to render the faster your mouse, keyboard, and system accept inputs and display results accordingly. It'd be nice to fix it for dx9 rather then using dx11 that is more CPU intense and full of extra visual cludder

Did you have those issues before or after 1.9 patch?

1.9 patch is a major fakap for DX9....for me as well..
i get a weird black sphere flickering all around... including major fps drop.

Try setting Post Processing to extreme or ultra.