This is probably not everyone's idea of a good two-hours spent, but I loved this: A month ago I found this two-hours discussion on the three main views of eschatology in orthodox Christianity. John Piper set up the discussion and mediates. It is a great beginning overview though it bogs down right before the end. Thankfully Piper pulls it out of the fray and does a good summary and conclusion. I believe there is also a video of Piper's response to the discussion also available on the Desiring God Ministries site. I haven't been able to listen to this one yet. (Douglas Wilson and John Piper are two of my favorite living theologians so I was happy to be especially pleased with their demeanor and communication).