gistfile1.php

<?php
    $args = array(
            'post_type' => 'post',
            'numberposts' => -1,
            'post_status' => null,
            'cat' => 4
    );
    $everything = get_posts($args);
    if ($everything):
        echo '<ul>';
        $counter = 0;
        foreach ($everything as $thing):
            setup_postdata($thing);
            if( ($counter % 3) == 0 && $counter > 0 ):
?>
</ul>
<ul>
            <?php endif; ?>

    <li>
        <?php echo "<pre>", print_r($thing, TRUE), "</pre>"; ?>
<!-- Skip this output while testing
        <a href="<?php the_permalink() ?>"><?php echo $thing->post_title; ?></a>
        <p class="date"><?php the_time('m/j/y'); ?></p>
                <?php echo $thing->post_excerpt; ?><a class="more" href="<?php the_permalink() ?>">more»</a>
-->
    </li>
<?php
            $counter++;
        endforeach;
    endif;
?>