We need to delve into the question of Patterns, since MVC is only one of many we will be finding useful, even (especially) in Rails.
Well, one good place to start out is the DesignPatterns page at the PortlandPatternRepository
See also MVC.
But we plan on going into this in detail, and providing better links.
Content
Victor Kane (ProjectMaster) and awebfactory.com.ar