I think that the implications of theopneustos revelation and inspiration would lead one to the belief that the Bible is sufficient. Unless you are claiming that Church councils are theopneustos also. Or that the Tradition of the Church is theopneustos. Those seem to be secondary accretions (IMO) to the Scripture. I issued the 10 million dollar challenge on the previous thread. Quote a bit of the oral tradition of the early church (1st century would be nice).
Talk about a non-sequiter! Tradition is a fabric not a quote. An oral tradition ceases to be an "oral" tradition once it is written down. If you take the view that oral tradition is oral tradition even after it is written down than I will point to the majority of the New Testament as "a bit of oral tradition of the early Church". Sola Scriptura is a man made tradition. It is not implied in scripture. Men who wanted to rebel against Christ and his Church invented it. It is based on an appeal to pride; it is the mother of all modern heresy.
As far as James White is concerned: you can do better than that.