You're right, gillyo. It really helps to put the slightly damp fabric in the freezer. We had a thread on this a while back and I said that my quilting teacher said to put slightly damp fabric in the freezer and it would iron "like butter". Well, I've never ironed butter, but it really does iron great and takes out the wrinkles.
My mom also had a sprinkler top on a bottle to dampen the clothes. She would roll them up and put them in a sack/pillowcase until she got to iron them.