Bible Steps Quite a good introduction to the Bible. A reliable site.
Bible Sound information on some biblical ideas from RE Quest.
Bible Studies Don't feel inhibited by the banners at the top, the contents of this site seem pretty reliable from a Biblical Studies point of view.
New Testament Gateway It may be a bit more than you bargained for,but this is a very reliable site. Use with care, this is good theology.
ROLE OF THE CHURCH
CONFESSIONConfession Quite a good article on Roman Catholic beliefs. You will have to scroll down to find information on confession though.
Confession This is quite a weighty document, but it is all you would ever want to know about confession.
Dietrich Bonhoeffer This is a useful biography of Bonhoeffer.
Dietrich Bonhoeffer The site has excerpts from Bonhoeffer's writings. There's a lot here, but one gets the feel of what the man was saying.
HOLY SPIRIT
Trinity This is quite good on the idea of the Trinity.
What is God like Some useful thoughts on the Trinity.
AGAPE
Agape The original meaning of this Greek word is well explained in Wikipedia. Quite a long article but interesting.
Agape A shorter, but accurate description from infoplease