I have really good news for you. Spectre660 released two new ubuntu MATE 16.04 images for the AmigaONE X1000 yesterday.
I think I have to buy a PCIe USB3 card for my AmigaONE X1000.
X1000 - Northern Islands Graphics cards (HD5000 and HD6000):Spectre660 wrote: X1000 Ubuntu-Mate 16.04 Desktop Images with correct xorg.conf for the relevant graphics cards.
Should just be download,write and boot.
X1000 -Southern Island Graphics Cards (HD7000 ,R7 and R9):
PLEASE test these images.