Hey MichaelH,
Better you should use this below code instead of checking the staic condition by user_id is 1.
Since you might have more than one admin also on your blog.
$isadmin = $wpdb->get_results("SELECT count(*) as count from $wpdb->usermeta WHERE user_id = $user->ID and meta_value=10");
if ($isadmin[0]->count == 0 ) {
//uncomment next line to see all values
//echo "
<pre>"; print_r($user); echo "</pre>
";
echo 'User ID ' . $user->ID . ' ' . $user->user_firstname . ' ' . $user->user_lastname ;
}