Internet browsing turned up a fascinating website, Redeeming Reason. It presents itself as "Intentional Christian Scholars in conversation with the Secular Mindset Today".
A conference was held Nov. 3- 5, 2005 at the University of Chicago. Speakers included Dallas Willard, Albert Alschuler, Philip Gleason, Susan Emmerich, Cornelius Plantinga, PaulGriffiths, Charles Emmerich, George Marsden, and Graham Walker Best of all, the talks are available online here.
From the website: "One of our goals in this conference is to provide resources to students, academics and anyone interested in engaging the difficulties of reason, logic and the secular mindset in the face of Christianity."
The 2006 conference will be held Nov. 9-11th. Speakers include Henry Schaeffer III, Alvin Plantinga, Ian Hutchinson, Ard Louis , Don York , Pat Reiff , John Suppe, Pattle Pun , Cal DeWitt , Alan Padgett