Frigor, I never had my screen downside, as you put it, so I can't give you a comparison. However I would think I probably suffer from glowing and sunshine more than you do. However it is more reflected than direct. I get the reflections off the shiny leather and if I wear light coloured tops.
So if you have dark cloth interior, where dark tops and don't have the centre armrest you should be fine
I must say though it is a lot easier to use than if it had been down lower, I can tell because using the Climate control is harder than it used to be, but then I don't have to make changes to it that often.
So to sum up, it's a trade off between visibility and useability.