> Won't work with NVIDIA cards at all without a boatload of hacks...

Actually the hack required to do this is quite minimal. This is the only thing I had to do to get the driver unblocked in win10/win11 for my rtx3070. I lifted this directly from https://mathiashueber.com/fighting-error-43-nvidia-gpu-virtu...

    <features>
      <hyperv>
        <vendor_id state='on' value='1234567890ab'/>
      </hyperv>
      <kvm>
        <hidden state='on'/>
      </kvm>
    </features>