Stephanie is an amazing singer/performer and will be a fantastic Elphaba. She's also a total sweetheart.
I believe she did the original reading as Elphaba, then somehow became Idinas standby or understudy or something, and then left the cast of Wicked to do "The Boy from Oz." She will be the touring Elphaba, and Im more excited to see her do the role than anything else coming up soon - except Raul in Chitty, of course.
Listen to Steph singing "Never Never Land." Its insanely good.
There's always room for pathos - and jazz hands.