BricaBox shut down over the Summer of 2008. However, the code lives on and is now Open Source at BricaBox.org. BricaBox.com remains up for demo purposes, and is kindly hosted by amountaintop.com.
http://www.mercerstreetbooks.com/
206 Mercer Street
New York, NY
United States
Great spot for rare / out of print books with a solid collection of LPs as well.