Michael Jensen's article on Sola Scriptura and how it relates to the history of Christian thought and doctrine is very helpful, I reckon.
He draws out three approaches to Tradition:
0= no place for tradition at all
1= tradition helps us understand what the Bible is teaching
2=tradition and the Bible are both authorities for Christian doctrine
1= tradition helps us understand what the Bible is teaching
2=tradition and the Bible are both authorities for Christian doctrine
Don't forget to check out the mass of comments after this article.