Just delivered today, a lecture by Fr. Andrew Louth entitled "Aquinas and Orthodoxy," given to the Oxford Orthodox Christian Society at Oxford. It's an audio lecture which can be heard here:

"Aquinas and Orthodoxy" by Fr. Andrew Louth [vimeo.com]

Fr. Andrew Louth is one of the world's most respected authorities on patristic theology. A priest of the Russian Orthodox Church, Fr. Andrew was until this year Professor of Theology and Religion at Durham University, where he also served as Orthodox chaplain. He is the author of numerous works, including Greek East and Latin West [books.google.com].