Topusaret
Deceased
I saw an ad for this in sunday's newpaper and thought they were pretty cool. They're a bit pricey, however, and would only work with power provided. But for an apartment dweller growing on a balcony or here in the desert, where everything just dries up and blows away, it could be useful:
http://www.naturemill.com/
http://www.naturemill.com/