Coincidence - I was at work yesterday and there was a Suzette there! I only saw her briefly - she w as small and dark I think. I rolled the name around in my head after I heard it.
I can see it's appeal - I'd say it's the French equivalent of an old lady name! I see it as a dynamic name but a bit dusty at the same time if that makes sense.
OT - When I was in school and picked the name Cécile to use in French class my teacher told me it was old-fashioned and would not be used in France.
I really like Susanna as well by the way and Susanne.