Laptop:
GTX 960M
DX11
windows 10 64 bit
No crashes
70ish FPS with medium-high settings

Desktop:
2x GTX 780 SLI
DX11
Windows 7 64 bit
~ 130 fps on maximum
Odd freeze/blue screen until I underclocked both cards by about 5%. No issues for weeks since.

Note: Attempting to play in DX11 on Win7 without service pack 1 will usually result in a black screen up loading game.