I've run Windows XP under QEmu / KVM with GPU passthrough of an old nVidia NVS300 graphics card. Running an old nVidia driver, I had perfect 3D acceleration an

I've run Windows XP under QEmu / KVM with GPU passthrough of an old nVidia NVS300 graphics card. Running an old nVidia driver, I had perfect 3D acceleration and HDMI sound. A good option if the OP has the right bits lying around, though not the most straightforward.