To keep food from sticking to your pans, heat the empty pan on the stove top first. Then add your food. You should heat the pan even before adding the oil if your cooking with oil.
As for the Curtis Stone bakeware, I initially bought sheet pans in a color and the black. I noticed that the colored pans scratched and were not as non stick as the black pans. Now all my bakewear is the black and I never have any problems.