Great except, IMPROVED!!

improved_wp_excerpt.php

function improved_trim_excerpt($text) {
           global $post;
 	        if ( '' == $text ) {
 	                $text = get_the_content('');
 	                $text = apply_filters('the_content', $text);
 	                $text = str_replace('\]\]\>', ']]>', $text);
 	                $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
 	                $text = strip_tags($text, '<p>');
 	                $excerpt_length = 80;
 	                $words = explode(' ', $text, $excerpt_length + 1);
 	                if (count($words)> $excerpt_length) {
 	                        array_pop($words);
 	                        array_push($words, '[...]');
 	                        $text = implode(' ', $words);
 	                }
 	        }
 	        return $text;
 	}

 	/*
 	remove_filter('get_the_excerpt', 'wp_trim_excerpt');
	add_filter('get_the_excerpt', 'improved_trim_excerpt');
	*/