Space Engineers has basic support for dx11 though its currently HIGHLY unoptimized. That said, there's nothing stopping a person from turning it on an drooling all over their space ships.
My fleet at the white tower, dx9 on high presets.
My fleet at the white tower, dx11 on low presets.
Yea. I definitely want dx11 in my life fulltime.
Oh and yea it looks like two 2.0c's next to eachother? The second one is starting out as a 2.0 but going bigger in every direction with some serious differences along the way. That there is 3.0.