Back on May 13, 2011, GCA hit 4700 downloads at e23.
Today, May 23, 2011, GCA hit 4719 downloads at e23, triple those of the next highest product, GURPS Spaceships, at 1573. (Our previous such milestone was GCA hitting 1850 back on April 2, 2007, which was double GURPS Mysteries, the next highest product at the time, at 925.)