pagination with custom post type

<?php
  $temp = $wp_query;
  $wp_query = null;
  $wp_query = new WP_Query();
  $wp_query->query('showposts=6&post_type=news'.'&paged='.$paged);

  while ($wp_query->have_posts()) : $wp_query->the_post();
?>

  <!-- LOOP: Usual Post Template Stuff Here-->

<?php endwhile; ?>

<nav>
    <?php previous_posts_link('&laquo; Newer') ?>
    <?php next_posts_link('Older &raquo;') ?>
</nav>

<?php
  $wp_query = null;
  $wp_query = $temp;  // Reset
?>