A simple Google search will reveal that there are a number of different App_Config plugins for Rails. After comparing them side by side, I have decided to use the one by Christopher J. Bottaro. It features: - simple YAML config files - config files support ERB - config files support inheritance - access config information via convenient object member notation I just fixed a bug last night (which was pulled in to the main repository) where it could throw errors when used as a Rails plug...