Check with your local brick and mortal stores. The major retailers like BH, Adorama, Amazon may have them because they had so many pre-orders, however a lot of the local store do have a few in stocks. This is how I got my hand on a unit a few weeks ago. Others have done the same.
1DX, 24mm f1.4L II, 50mm f1.2L, 85mm f1.2L II, 135mm f2L, 24-70mm f2.8L II, 70-200mm f2.8L IS II : D800, D4, 24 1.4G, 35 1.4G, 50 1.4G, 85 1.4G, 24-70 2.8, 70-200 2.8 VR II