Here are some helpful articles that have helped me learn about cloth diapering.
Cost Comparison of Disposables vs. Cloth: Mother Ease
Getting Started With Cloth: Diaper Pin
Various Kinds of Cloth Diapers: Jillian Drawers
Cloth Vs. Disposables: The New Parents Guide
Washing Diapers: Jillian Drawers
New To Cloth Info: Green Mountain Diapers