I think there are some ideas advocated by the radical conservatives in the Missional or Emerging movements that radically conservative evangelicals ought to consider. If you've been reading here over the past couple weeks, you've seen me sift through some of them.
I also benefited from Phil Johnson's recent post on the "Emergent Conversation". Phil has obviously done his homework on all this stuff and reflected to the point that he sees some philosophical design flaws that are eventually going to reveal foundational cracks in the movements.
It's a long post, but make sure you read the "Coda."