Beautiful pan - and I love your brick oven! I've had cast iron for a long time, and added a steel pan a few years ago. (Mine is not nearly as nice as yours; mine is a small crepe pan) However, adjusting/controlling the heat is much faster with the steel pan (less thermal mass) vs. a cast iron. Good for thin crepes, for example.
Only problem, I still needs stainless pans for liquids. (The kitchen is like the garage - can't have too many tools!)
To the comment about grand-children liking to cook: one of my cast-iron pans comes from my wife's grandmother. The many years of use gives it an almost-polished bottom. It is as good as a teflon non-stick pan.