http://www.philthompson.net/pages/library/riveroffire.html
http://www.philthompson.net/pages/library/painoftheearth.html
http://www.philthompson.net/pages/library/eastwest.html
http://www.philthompson.net/pages/library/index.html#incarnation
 
Phil Thompson dot net looks like an interesting and well put together site. 
 
http://www.ccel.org
 
Christian Classics Ethereal Library is a great source of ancient Christian material.