Drupal 7 make /user go to the user edit form when logged in for sites that don't have user profile pages and you don't want a full page view of a user.

make_user_go_to_edit

/**
 * Implements hook_menu_alter().
 */
function mymodule_menu_alter(&$items) {
  if (isset($items['user/%user'])) {
    // Turn user/%user into an edit form callback rather than view.
    $items['user/%user']['page callback'] = 'drupal_get_form';
    $items['user/%user']['page arguments'] = array('user_profile_form', 1);
    $items['user/%user']['access callback'] = 'user_edit_access';
    $items['user/%user']['access arguments'] = array(1);
    $items['user/%user']['file'] = 'user.pages.inc';
    $items['user/%user']['title callback'] = 'user_page_title';
    $items['user/%user']['title arguments'] = array(1);
    $items['user/%user']['menu_name'] = 'navigation';

    // Get rid of user/[uid]/view, replacing it with the edit.
    $items['user/%user/edit'] = $items['user/%user/view'];
    unset($items['user/%user/view']);
    $items['user/%user/edit']['title'] = 'Edit';
  }
}

/**
 * Implements hook_admin_paths().
 */
function mymodule_admin_paths() {
  return array(
    'user' => TRUE,
    'user/*' => TRUE,
    'user/*/edit' => TRUE,
  );
}