The new NIKKOR Z 58mm f/0.95 S Noct lens for Nikon Z-mount mirrorless cameras now shipping in US, you can pre-order this lens at B&H Photo Video/Adorama/Amazon, this lens is expected to be in stock soon at Adorama. Here is the first unboxing video of NIKKOR Z 58mm f/0.95 S Noct lens.
You can also take a look at sample images of this lens at Mobile01.