diff --git app/controllers/account_controller.rb app/controllers/account_controller.rb
index fa53008..5701545 100644
--- app/controllers/account_controller.rb
+++ app/controllers/account_controller.rb
@@ -201,7 +201,15 @@ class AccountController < ApplicationController
       set_autologin_cookie(user)
     end
     call_hook(:controller_account_success_authentication_after, {:user => user })
-    redirect_back_or_default :controller => 'my', :action => 'page'
+    if user.default_page == "top"
+      redirect_back_or_default :controller => 'welcome'
+    elsif user.default_page == "my_page"
+      redirect_back_or_default :controller => 'my', :action => 'page'
+    elsif user.default_page == "my_project"
+      redirect_back_or_default :controller => 'projects', :action => 'show', :id => user.default_project_id
+    else
+      redirect_back_or_default :controller => 'my', :action => 'page'
+    end
   end
 
   def set_autologin_cookie(user)
diff --git app/controllers/application_controller.rb app/controllers/application_controller.rb
index 0cb6aa7..79d30f9 100644
--- app/controllers/application_controller.rb
+++ app/controllers/application_controller.rb
@@ -259,10 +259,6 @@ class ApplicationController < ActionController::Base
     end
   end
 
-  def back_url
-    params[:back_url] || request.env['HTTP_REFERER']
-  end
-
   def redirect_back_or_default(default)
     back_url = CGI.unescape(params[:back_url].to_s)
     if !back_url.blank?
diff --git app/helpers/application_helper.rb app/helpers/application_helper.rb
index 02b8be6..eef7f4e 100644
--- app/helpers/application_helper.rb
+++ app/helpers/application_helper.rb
@@ -967,7 +967,7 @@ module ApplicationHelper
   end  
 
   def back_url_hidden_field_tag
-    back_url = params[:back_url] || request.env['HTTP_REFERER']
+    back_url = params[:back_url]
     back_url = CGI.unescape(back_url.to_s)
     hidden_field_tag('back_url', CGI.escape(back_url), :id => nil) unless back_url.blank?
   end
diff --git app/helpers/users_helper.rb app/helpers/users_helper.rb
index a264854..065c5d1 100644
--- app/helpers/users_helper.rb
+++ app/helpers/users_helper.rb
@@ -39,6 +39,10 @@ module UsersHelper
     user.valid_notification_options.collect {|o| [l(o.last), o.first]}
   end
 
+  def user_default_page_options(user)
+    user.valid_default_page_options.collect {|o| [l(o.last), o.first]}
+  end
+
   def change_status_link(user)
     url = {:controller => 'users', :action => 'update', :id => user, :page => params[:page], :status => params[:status], :tab => nil}
 
diff --git app/models/user.rb app/models/user.rb
index e59c752..3de8be1 100644
--- app/models/user.rb
+++ app/models/user.rb
@@ -44,6 +44,12 @@ class User < Principal
     ['none', :label_user_mail_option_none]
   ]
 
+  DEFAULT_PAGE_OPTIONS = [
+    ['top', :label_user_default_page_option_top],
+    ['my_page', :label_user_default_page_option_my_page],
+    ['my_project', :label_user_default_page_option_my_project]
+  ]
+
   has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},
                                    :after_remove => Proc.new {|user, group| group.user_removed(user)}
   has_many :changesets, :dependent => :nullify
@@ -78,6 +84,7 @@ class User < Principal
   validates_length_of :mail, :maximum => MAIL_LENGTH_LIMIT, :allow_nil => true
   validates_confirmation_of :password, :allow_nil => true
   validates_inclusion_of :mail_notification, :in => MAIL_NOTIFICATION_OPTIONS.collect(&:first), :allow_blank => true
+  validates_inclusion_of :default_page, :in => DEFAULT_PAGE_OPTIONS.collect(&:first), :allow_blank => true
   validate :validate_password_length
 
   before_create :set_mail_notification
@@ -314,6 +321,10 @@ class User < Principal
     self.class.valid_notification_options(self)
   end
 
+  def valid_default_page_options
+    self.class.valid_default_page_options(self)
+  end
+
   # Only users that belong to more than 1 project can select projects for which they are notified
   def self.valid_notification_options(user=nil)
     # Note that @user.membership.size would fail since AR ignores
@@ -325,6 +336,14 @@ class User < Principal
     end
   end
 
+  def self.valid_default_page_options(user=nil)
+    if user.projects.count == 0
+      DEFAULT_PAGE_OPTIONS.reject {|option| option.first == 'my_project'}
+    else
+      DEFAULT_PAGE_OPTIONS
+    end
+  end
+
   # Find a user account by matching the exact login and then a case-insensitive
   # version.  Exact matches will be given priority.
   def self.find_by_login(login)
@@ -500,7 +519,9 @@ class User < Principal
     'language',
     'custom_field_values',
     'custom_fields',
-    'identity_url'
+    'identity_url',
+    'default_page',
+    'default_project_id'
 
   safe_attributes 'status',
     'auth_source_id',
diff --git app/views/my/account.html.erb app/views/my/account.html.erb
index 47e9459..afb7560 100644
--- app/views/my/account.html.erb
+++ app/views/my/account.html.erb
@@ -27,6 +27,11 @@
   <%= call_hook(:view_my_account, :user => @user, :form => f) %>
 </fieldset>
 
+<fieldset class="box">
+  <legend><%=l(:label_my_default_page)%></legend>
+  <%= render :partial => 'users/default_page' %>
+</fieldset>
+
 <%= submit_tag l(:button_save) %>
 </div>
 
diff --git app/views/users/_default_page.erb app/views/users/_default_page.erb
new file mode 100644
index 0000000..a88366a
--- /dev/null
+++ app/views/users/_default_page.erb
@@ -0,0 +1,12 @@
+<p>
+<%= label_tag "user_default_page", l(:description_user_default_page), :class => "hidden-for-sighted" %>
+<%= select_tag 'user[default_page]', options_for_select(user_default_page_options(@user), @user.default_page),
+                                      :onchange => 'if (this.value == "my_project") {Element.show("default-projects")} else {Element.hide("default-projects")}' %>
+</p>
+<% if @user.projects.count > 0 %>
+<% content_tag 'div', :id => 'default-projects', :style => (@user.default_page == 'my_project' ? '' : 'display:none;') do %>
+<p>
+<%= select_tag 'user[default_project_id]', options_for_select(project_tree_options_for_select(@user.projects, :selected => @user.projects.select{|p| p.id == @user.default_project_id})) %>
+</p>
+<% end %>
+<% end %>
\ No newline at end of file
diff --git config/locales/en.yml config/locales/en.yml
index 9536cf9..1b3702c 100644
--- config/locales/en.yml
+++ config/locales/en.yml
@@ -518,6 +518,7 @@ en:
   label_my_account: My account
   label_my_projects: My projects
   label_my_page_block: My page block
+  label_my_default_page: My default page
   label_administration: Administration
   label_login: Sign in
   label_logout: Sign out
@@ -776,6 +777,9 @@ en:
   label_theme: Theme
   label_default: Default
   label_search_titles_only: Search titles only
+  label_user_default_page_option_top: "Top"
+  label_user_default_page_option_my_page: "My page"
+  label_user_default_page_option_my_project: "My project"
   label_user_mail_option_all: "For any event on all my projects"
   label_user_mail_option_selected: "For any event on the selected projects only..."
   label_user_mail_option_none: "No events"
@@ -1018,6 +1022,7 @@ en:
   description_query_sort_criteria_attribute: Sort attribute
   description_query_sort_criteria_direction: Sort direction
   description_user_mail_notification: Mail notification settings
+  description_user_default_page: Default page settings
   description_available_columns: Available Columns
   description_selected_columns: Selected Columns
   description_all_columns: All Columns
diff --git config/locales/ja.yml config/locales/ja.yml
index c65cdec..d0caefb 100644
--- config/locales/ja.yml
+++ config/locales/ja.yml
@@ -526,6 +526,7 @@ ja:
   label_my_account: 個人設定
   label_my_projects: マイプロジェクト
   label_my_page_block: マイページパーツ
+  label_my_default_page: ログイン後のページ
   label_administration: 管理
   label_login: ログイン
   label_logout: ログアウト
@@ -777,6 +778,9 @@ ja:
   label_theme: テーマ
   label_default: 既定
   label_search_titles_only: タイトルのみ
+  label_user_default_page_option_top: "トップページ"
+  label_user_default_page_option_my_page: "マイページ"
+  label_user_default_page_option_my_project: "参加しているプロジェクト"
   label_user_mail_option_all: "参加しているプロジェクトのすべての通知"
   label_user_mail_option_selected: "選択したプロジェクトのすべての通知..."
   label_user_mail_option_none: "通知しない"
@@ -1015,6 +1019,7 @@ ja:
   description_project_scope: 検索範囲
   description_filter: Filter
   description_user_mail_notification: メール通知の設定
+  description_user_default_page: ログイン後のページの設定
   description_date_from: 開始日
   description_message_content: 内容
   description_available_columns: 利用できる項目
diff --git db/migrate/20120509070818_add_users_default_page.rb db/migrate/20120509070818_add_users_default_page.rb
new file mode 100644
index 0000000..f973aa6
--- /dev/null
+++ db/migrate/20120509070818_add_users_default_page.rb
@@ -0,0 +1,11 @@
+class AddUsersDefaultPage < ActiveRecord::Migration
+  def self.up
+    add_column :users, :default_page, :string, :default => "top"
+    add_column :users, :default_project_id, :integer, :default => 0
+  end
+
+  def self.down
+    remove_column :users, :default_page
+    remove_column :users, :default_project_id
+  end
+end
\ No newline at end of file