Index: wp-admin/network/index.php
===================================================================
--- wp-admin/network/index.php	(revision 23297)
+++ wp-admin/network/index.php	(working copy)
@@ -22,16 +22,28 @@
 $title = __( 'Dashboard' );
 $parent_file = 'index.php';
 
-	get_current_screen()->add_help_tab( array(
-		'id'      => 'overview',
-		'title'   => __('Overview'),
-		'content' =>
-			'<p>' . __('Until WordPress 3.0, running multiple sites required using WordPress MU instead of regular WordPress. In version 3.0, these applications have merged. If you are a former MU user, you should be aware of the following changes:') . '</p>' .
-			'<ul><li>' . __('Site Admin is now Super Admin (we highly encourage you to get yourself a cape!).') . '</li>' .
-			'<li>' . __('Blogs are now called Sites; Site is now called Network.') . '</li></ul>' .
-			'<p>' . __('The Right Now box provides the network administrator with links to the screens to either create a new site or user, or to search existing users and sites. Screens for Sites and Users are also accessible through the left-hand navigation in the Network Admin section.') . '</p>'
+$overview = '<p>' . __( 'Welcome to your Network Admin. This area of the Dashboard is used for managing all aspects of your Multisite network.' ) . '</p>' .
+'<p>' . __( 'The menus on the left side allow you to:' ) . '</p>' . 
+'<ul><li>' . __( 'Add and manage sites or users' ) . '</li>' . 
+'<li>' . __( 'Install and activate themes or plugins' ) . '</li>' . 
+'<li>' . __( 'Update your network' ) . '</li>' . 
+'<li>' . __( 'Modify global network settings' ) . '</li></ul>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'overview',
+	'title'   => __( 'Overview' ),
+	'content' => $overview
 ) );
 
+$quick_tasks = '<p>' . __( 'The Right Now widget on this screen provides current user and site counts on your network. New users and sites are easily created by clicking the &#8216;Create a New Site&#8217; or &#8216;Create a New User&#8217; links.' ) . '</p>' . 
+'<p>' . __( 'You can also search for any user or site in your network by using the search boxes. Users can be searched by entering all or part of a username or email address. Sites are searchable by path or domain, depending on which type of network you have.' ) . '</p>';
+
+get_current_screen()->add_help_tab( array(
+	'id'      => 'sites-users',
+	'title'   => __( 'Quick Tasks' ),
+	'content' => $quick_tasks
+) );
+
 get_current_screen()->set_help_sidebar(
 	'<p><strong>' . __('For more information:') . '</strong></p>' .
 	'<p>' . __('<a href="http://codex.wordpress.org/Network_Admin" target="_blank">Documentation on the Network Admin</a>') . '</p>' .