Be Right Back is a simple theme that allows you to quickly and easily put your blog into maintenance mode.
Blueberry is a 3-column, dark-colored theme themed after its namesake and built on Sandbox.
Tiffany Blue is a 2-column theme with an upper-class appearance that is also built on Sandbox.
Thanks for featuring the BRB theme Jim. I would like to tell you about 2 new themes that I released today for free, at http://wpthemeshop.com/free-themes/ . They are called “GloriousDay” and “GloriousFuture”. Please check them out.