2 more cents -
I scan for very rough evaluation, mostly to confirm that I want to continue with the image.
I use Ilford MG IV RC 8x10 glossy to develop the final recipe (all burning, dodging, filter mix, etc.) I scan this 8x10 as a digital record of the final print to be used for competition submittals, etc.) Web site too, if I ever get around to it.
Final prints are the same paper, but fiber, and larger. The differences between them don't bother me, I adjust the "recipe" during test strip phase, and for me the saved work, print washing, etc is worth the final adjustment, it gets me very close to the final image for the larger print. I also sense that just making a larger print (usually 16x20) will require an adjustment, just because of the scale change. In the end, I usually tweak the final print based on it's size. Sometimes I change my mind from the original, after living with the image for a while.
In the end, for me, it doesn't pay to use fiber for small prints, and I need only two boxes of paper, one 8x10 RC, 16x20 fiber. Although, I tried some Ilford MG warmtone lately, and love the selenium toned effect, so I may be changing again, but that's another story. . .