For whatever it's worth the Angry Photographer put both in his top four Fuji lenses. I know plenty to argue with with that list (and his comments on the 56 and 90), but having both on his list shows some view each as essential. I had the 16mm for a bit, got rid of, then fell in love with wide shooting (not my natural pull) with the 10-24. So now regretting not having the 16.
https://www.youtube.com/watch?v=M61AvVIRB9o