Highlight scheduled posts (suggestion from Eric Meyer)

highlight-scheduled-posts.php

<?php
/* Plugin Name: Highlight Scheduled Posts
 * Author: Andrew Nacin
 * Author URI: http://nacin.com
 */

add_action( 'admin_head-edit.php', 'meyer_highlight_scheduled_posts' );
function meyer_highlight_scheduled_posts() {
	echo "<style> tr.status-future { background-color: #ffffe0 }</style>\n";
}