The Passive Voice (one of my favorite sites) pointed me to a blog post by author Courtney Milan called An open letter to agents. Then, within hours, another author, Bob Mayer offered his own take on the same issue in Should your agent self-publish you? Can your agent self-publish you?. Two excellent pieces on the state of using agents in a the self-publishing world.
20110727: Courtney Milan follows up today with another agent post called agency publishing and conflicts of interest that goes into great detail why this endeavor is doomed to cause problems. Another must read.