Amazon has now opened orders for the new Ricoh GR III HDF camera and is expected to start shipping at the end of August/early September:
Since the new GR III/x HDF cameras were announced in March of this year, Ricoh received a huge amount of pre-orders (over 150,000 in China), and they had to implement a lottery system. Since the official announcement, I have not seen any GR III/x HDF cameras in stock:
Previous coverage of the Ricoh GR III HDF cameras can be found here:
Differences between the Ricoh GR III HDF and GRIIIx HDF cameras
Highlight Diffusion Filter sample photos from the new Ricoh GR III/x HDF cameras