I have to disagree. My buds softened up with a month cure and my bucket smells great when I open it after 2 months. I'm down to about an ounce of shake in there. Its just as good.
If you're able to control the temperature and humidity in your dry tent/room, that's probably the better route. But I don't have an area to control the drying environment. So I bought 3 of these to try a couple months ago, and I like it. Only time of the year I can get a good dry here is the winter. Also you can fit a pound in 2 units