I have a now old Jennaire that was cutting edge when I built this house in around '94. It's a gas cooktop with an electric oven and is the best of all worlds. I got the griddle and the grill tops for it and I'd rather cook in a pot on gas any day.
I had a gas range and oven in my former residence and the oven was hard to work with. There is a lot of moisture in natural gas and propane, so the oven tended to make baking difficult. The humidity in the oven affected the way breads rose and made it hard to get a crispy crust on pizzas and casseroles. It works pretty well for cooking meats, though, as it doesn't dry the meat out.