General Theology 

www.monergism.com - What is monergism?  Click the link to find the answer to that question and many more.  This website contains several helpful articles from theology and apologetics to Biblical studies and the Christian life.                                                                                            

Westminster Confession of Faith - What more can we say.  While you have probably heard of the Westminster Confession, you may have never actually read it for yourself.  It is a great resource with very concise answers, Biblical proofs, and you will no doubt find this work to be edifying.

Apologetics

www.vantil.info - This site "aims to be a comprehensive catalogue of online resources explicitly related to the theology, philosophy, and apologetics of Cornelius Van Til."  There is more info here than you can possibly imagine and it is the best place on the web if you are interested in Van Til and presuppositional apologetics.