I have also seen a smoother metal in-use cover from Intermatic. I don't see it on their website, but I did see it in Lowe's.
It was metal, so it seemed like it would be sturdier than the plastic ones and had a much smoother, less industrial look, so it is more attractive than the CodeKeeper.
The only type that I saw was a vertical mount that included inserts ( like the plastic bubble types ) for a duplex receptacle, gfci, and switch.
