You might need more than one type, it's better to ask your wife exactly what she needs. Eg: the saucepan from stainless steel, cast iron for heavy-duty duty (Le Creuset is the best in my opinion), and...
Yeah we have plenty of SS pots and saucepans, and some bigger cast iron pans and a La Creuset Dutch oven - but we need something in the middle. 2-3 smaller frying pans for eggs, sautéing etc. to replace the old nonstick ones.