Glass cooktop, but I hope that will change soon.. we need a new stove. I wont every buy ceramic or glass again, nor will I likely buy electric again. When I built this house I personally installed a gas line so it could be hooked up when the electric stove died. I miss the cast iron. I have one pan from each side of the family.. when I do dig them out again I will see who made them.. I was told that method of cleaning them, put in the fire and let it be till the next day.. THEN to heat the pan up and rub grease or lard into it, and let it cool, then do it again When cool after the second time it is ready to cook in again... dunno if thats fact or fiction, but has always worked!!
My wife was safety manager for a foundry, and one year they gave out "hot plates" which are oval shaped plates with handles.. heat them up and toss your steak and taters on them to keep them all warm longer.