Index: wp-admin/includes/widgets.php
===================================================================
--- wp-admin/includes/widgets.php	(revision 7162)
+++ wp-admin/includes/widgets.php	(working copy)
@@ -164,7 +164,7 @@
 		<li id="widget-list-control-item-<?php echo ++$i; ?>-<?php echo $widget['id']; ?>" class="widget-list-control-item widget-sortable">
 			<h4 class="widget-title">
 
-				<?php echo $widget['name']; // TODO: Up/Down links for noJS reordering? ?>
+				<span><?php echo $widget['name']; // TODO: Up/Down links for noJS reordering? ?></span>
 
 				<?php if ( 'edit' == $display ) : ?>
 
Index: wp-admin/js/widgets.js
===================================================================
--- wp-admin/js/widgets.js	(revision 7162)
+++ wp-admin/js/widgets.js	(working copy)
@@ -1,6 +1,15 @@
 jQuery(function($) {
 	$('.noscript-action').remove();
 
+	$('#current-sidebar .widget-control-list li').each( function() {
+		var t = $(this);
+		var v = t.find( 'div.widget-control' ).find( ':text:visible, textarea:visible' ).eq(0).val();
+		if ( !v ) { return; }
+		var s = v.substr(0,22);
+		if ( s != v ) { s += '&#8230;'; }
+		t.find( 'h4.widget-title span').append( ': ' + $('<div>' + s + '</div>').text() );
+	});
+
 	var increment = 1;
 
 	// Open or close widget control form