The tube-top fetishest, er, enthusiast has linked to an online one-stop shop for women (we think) of like mind. Tube Top Boutique offers solid color tube tops, sequined tube tops, maternity(!) tube tops, and Almost a Tube Top (Halter Top) from American Apparel, Lotta Stensson, and other brands.
And just in time for Memphis in May. The man's a genius.