Modified config/application.rb to print out initialization points for Rails 3.1

application.rb

require File.expand_path('../boot', __FILE__)
require 'rails/application'
require 'rails/engine'

module Rails
  class Application < Engine
    def initializers
      init = Bootstrap.initializers_for(self) #BOOTSTRAP
      init += super #RAILTIES 
      init += Finisher.initializers_for(self) #FINISHER
      print_initializers(init)
      init
     end
  
    def print_initializers(initializers)
      initializers.each do |i|
        p i.name
      end
      p "----------------------------"   
    end
  end
end


# Pick the frameworks you want:
 require "active_record/railtie"
require "action_controller/railtie"
require "action_mailer/railtie"
require "active_resource/railtie"
require "sprockets/railtie"
# require "rails/test_unit/railtie"

Bundler.require
require "epic_fail"

module Dummy
  class Application < Rails::Application
    # Settings in config/environments/* take precedence over those specified here.
    # Application configuration should go into files in config/initializers
    # -- all .rb files in that directory are automatically loaded.

    # Custom directories with classes and modules you want to be autoloadable.
    # config.autoload_paths += %W(#{config.root}/extras)

    # Only load the plugins named here, in the order given (default is alphabetical).
    # :all can be used as a placeholder for all plugins not explicitly named.
    # config.plugins = [ :exception_notification, :ssl_requirement, :all ]

    # Activate observers that should always be running.
    # config.active_record.observers = :cacher, :garbage_collector, :forum_observer

    # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
    # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
    # config.time_zone = 'Central Time (US & Canada)'

    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
    # config.i18n.default_locale = :de

    # Configure the default encoding used in templates for Ruby 1.9.
    config.encoding = "utf-8"

    # Configure sensitive parameters which will be filtered from the log file.
    config.filter_parameters += [:password]

    # Enable the asset pipeline
    config.assets.enabled = true

    # Version of your assets, change this if you want to expire all your assets
    config.assets.version = '1.0'
  end
end

output.rb

=> Booting WEBrick
=> Rails 3.1.0 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
#BOOTSTRAP
:load_environment_hook
:load_active_support
:preload_frameworks
:initialize_logger
:initialize_cache
:set_clear_dependencies_hook
:initialize_dependency_mechanism
:bootstrap_hook
#RAILTIES
"i18n.callbacks"
"active_support.initialize_whiny_nils"
"active_support.deprecation_behavior"
"active_support.initialize_time_zone"
"action_dispatch.configure"
"action_view.cache_asset_ids"
"action_view.javascript_expansions"
"action_view.set_configs"
"action_view.caching"
"action_controller.logger"
"action_controller.initialize_framework_caches"
"action_controller.set_configs"
"action_controller.compile_config_methods"
"active_record.initialize_timezone"
"active_record.logger"
"active_record.identity_map"
"active_record.set_configs"
"active_record.initialize_database"
"active_record.log_runtime"
"active_record.set_dispatch_hooks"
"action_mailer.logger"
"action_mailer.set_configs"
"action_mailer.compile_config_methods"
"active_resource.set_configs"
"sprockets.environment"
:set_load_path
:set_autoload_paths
:add_routing_paths
:add_locales
:add_view_paths
:load_environment_config
:append_assets_path
:prepend_helpers_path
:load_config_initializers
:engines_blank_point
:set_load_path
:set_autoload_paths
:add_routing_paths
:add_locales
:add_view_paths
:load_environment_config
:append_assets_path
:prepend_helpers_path
:load_config_initializers
:engines_blank_point
:set_load_path
:set_autoload_paths
:add_routing_paths
:add_locales
:add_view_paths
:load_environment_config
:append_assets_path
:prepend_helpers_path
:load_config_initializers
:engines_blank_point
#FINISHER
:add_generator_templates
:ensure_autoload_once_paths_as_subset
:add_to_prepare_blocks
:add_builtin_route
:build_middleware_stack
:run_prepare_callbacks
:define_main_app_helper
:eager_load!
:finisher_hook
:set_routes_reloader
:disable_dependency_loading
"----------------------------"
[2011-09-21 11:35:51] INFO  WEBrick 1.3.1
[2011-09-21 11:35:51] INFO  ruby 1.9.2 (2011-07-09) [x86_64-darwin10.6.0]
[2011-09-21 11:35:51] INFO  WEBrick::HTTPServer#start: pid=32718 port=3000

Cool snippet from Mike; some references here:
http://www.cowboycoded.com/2010/08/02/hooking-in-your-rails-3-engine-or-railtie-initializer-in-the-right-place/
and here:
http://edgeguides.rubyonrails.org/configuring.html#running-code-before-rails

Glad you liked it xD