Since some of his fans have got the idea that I never address Armstrong's positions, I've provided a list of relevant posts below, which I will expand upon as time permits.
8. Canon Issues and "Christian" Definition Sophistry from Mr. Armstrong
7. Judged According to Works?
6. Cochlaeus Quotation Dialog (this is just one of several on that topic)
5. Trent vs. Sola Gratia
4. Prayers to Saints (Second on the same topic)
3. The Power of the Keys
2. Do Lutherans think that "bishops, elders, and deacons are all synonymous terms"?