I am using the GPU Seabios PCI PASSTHROUGH method to passthrough an EVGA GTS 450 graphics card:
bootdisk: virtio0
cores: 4
memory: 4096
name: MINT
hostpci0: 03:00.0,x-vga=on
net0: bridge=vmbr0,virtio=36:30:64:33:65:65
numa: 0
ostype: l26
serial0: socket
smbios1...