While round racks are rarely the right track for storing and displaying long term collections, they are one of the best possible (and reasonable) methods for keeping some of your best pals close at hand. Here in my office, I have a rack that holds sixty on my wall and a unit similar to this on my desk for my day's rotation. Given that I am chained to my desk and only walked/fed/watered once a day, small racks such as this have proven to be lifesavers...
--Bear Graves