Noora has such a great range in her voice and just the right amount of rasp/grit. I liked Nitte also, but Noora has a more versatile voice it think. So many bands never recover from a lead singer leaving, but I think BB will live on via Noora.
Noora is definitely a better and more versatile vocalist. This is not to take away from Nitte's phenomenal metal-singing voice, it is just completely objective fact that Noora is a better vocalist technically. EDIT: I also feel Noora makes for a more charismatic front-woman.
