Here are some links dealing with Presuppositional Apologetics that you might be interested in:
1.) Science– Worldview Neutral? by Dr. Georgia Purdom over at Answering Genesis.
2.) New Book on Presuppositional Apologetics by an alumni of The Master’s Seminary, Dr. Clifford B. McManis.
3.) An Atheist says no God is the best explanation for things is a dialogue transcript between Matt Slick of CARM with an atheist.
4.) Sermon on the Knowledge of God- Over at Choosing Hats, one of the contributors preached on this topic.