Hi Ervil,
I have just downgraded my HDCI-2000 from 1.00.16 to 1.00.07 and then back to 1.00.04.
I hoped, by reading this thread, that 1.00.07 would be low enough to get rid of the RGB 0-255 problem but it is not. I can confirm that you have to go back to 1.00.04 to get the RGB 16-235 values...