This is absolutely the right question to be posing: " As a scholarly site, we must strike the right balance between openness  and scholarly rigor, and a fundamental question for us is how to  encourage participation while insuring that quality control checks  remain in place." The Whitman Archive is poised to set up a great model for a Web 2.0 application that is neither crowd sourcing nor a comments section but that takes advantage of the power of both.