Just backed this: I chose 'Make mine a double'.
Was £40, but I barely ever buy full price games unless I really want them (Battlefield 3, Planetary Annihilation being the last) so fair enough!
Now just have to wait two years......
Parvum ITX - 3570k - GTX 970 - Asus P8Z77-I ITX - 8GB Tactical Tracer - 256GB SSD - 480GB SSD - H80
29" Ultrawide, Oculus Rift & X52 Pro