These devices work great in urban areas and modest trails. Just pick the one that works for you and go for it.

Unfortunately, any wheeled devices or any kind are prohibited in all of the wilderness areas. Tried to use one inside the Flat Tops one year and fortunately, I had a backpack with me as a plan B. Getting caught with one is a rather serious offense/fine I learned. You either have to have a pack horse, mule or llama or be in sufficient shape to pack it. Those are the only acceptable options in these areas.