After the official announcement, we did not hear much about the two new Nikon AF-P DX Nikkor 18-55mm f/3.5-5.6G lenses. There are no pre-order options in the US and no mention on Nikon USA website. Amazon UK however has both new models listed as "Temporarily out of stock":
AF-P DX Nikkor 18-55mm f/3.5-5.6G lens (no VR): £149.99
I was expecting the new 18-55 lenses to be part of the new D500 kit, but even this is not the case (the D500 kit comes with the 16-80mm ED VR lens).
The first review of the new lenses with some sample images can be found here.