Originally Posted by jennyema
Actually, cast iron is fine to use. There's nothing inherent about it that will scratch -- you just need to be careful with it.
I have used CI on my glass cooktop constantly for 11 years without ever scratching it.
You can use pretty much anything on a glass or ceramic stove as long as you are careful.
I just wanted to qualify your post with the thought that we *are* only talking about adults.
I have a glass top (for the last 5 or 6 years), and I love it. But one night, someone (not mentioning names), left a teapot on one of the burners that didn't whistle, and actually melted to the surface. Talk about being PO'd, I was that. It wasn't one of the kids, and since I've been known to leave stuff there myself and doze off, I can't really complain. But it does bug me to this day. Pweh... got that off my chest, and she won't even read it :-)
But it is a great tool that is easy to clean. I "want" gas, but if all was evaluated, I'd probably be happier with the glass top.