didavista, if you can bake on those sheets with the air in the middle, I applaud you.
I had a couple of those and I ended up giving them to the kids to use as snow sleds. Total crap to me.
One thing I'm going to miss about not having my comm'l kitchen anymore is I have to go back to using the crappy crap they stick housewives with. My first choice would be stones, too, but barring that, get some good heavy metal ones. As close to commercial grade as will fit in your oven. If you have a kitchen store in your area, hit there (The Kitchen Collection comes to mind ... usually found in outlet malls.) The ones you buy in retail stores (like walmart) are just nasty to bake on. nice HEAVY DUTY plain 'ole baking sheets. Nothing fancy dancy .... just good baking sheets.
If you have a restaurant supply, get some of the 1/2 sheet pans (12x1
. Baking on these with parchment and your cookies will look like they came out of a high end gourmet bakery.