This is the place:
FAIR - "The Foundation for Apologetic Information & Research (FAIR) is a non-profit organization dedicated to providing well-documented answers to criticisms of LDS (Mormon) doctrine, belief and practice."
LDSGospelDoctrine.net - "index all LDS Gospel Doctrine sites at a single location for easy access. The site is intended to be exhaustive with respect to LDS Gospel Doctrine material on the internet."
The Plan of Salvation - Scriptural references to each phase of the Plan of Salvation, with a nice graphic.