force a different page template based on node id?
This ought to do it:

function MYTHEME_preprocess_page(&amp;$vars) {
  if ($node = menu_get_object()) {
    $vars['theme_hook_suggestions'][] = 'page__node__' . $node-&gt;nid;
  }
}


And then call your template file page--node--123.tpl.php