Is the 4K resolution less strenuous for you than HD? I tried looking at text in VR a while ago on an older Vive and the text was too blurry for me to easily read.
The best setup I could manage was to put the bottom of the virtual screen a bit in the floor, then you are looking straight on so that you can see the upper-left corner and still get to the menus and see at least the first ~25 lines of code (Consolas size 10).
I should note I'm using the built-in Desktop which you can insert via Steam VR Home. I just dropped it into the default home and moved it around/resized until I found it workable. There may be better tools for running virtual desktops in VR, I haven't explored this space at all since reading anything in any VR app for more than a few minutes makes me dizzy... speaking of which, no more VR for today! ;)