Make Userpages less WordPressy

For the WP-Admin login page, you can use the plugin ‘BM Login’ – http://wordpress.org/extend/plugins/bm-custom-login/

Very easy to set up, you can view a demo at: http://lochgelly.org.uk/wp-admin/

To remove the WordPress logos from the user admin bar, follow the tutorial at: http://www.paulund.co.uk/how-to-remove-links-from-wordpress-admin-bar

Removal of the WordPress logo and other dashboard tweaks have a look at: http://wpzine.com/change-the-wordpress-logo-in-your-admin-pages/

Lastly, if you install ‘Dashboard Commander’ you can restrict certain widgets appearing on the dashboard (WordPress news etc.), and also restrict these by user permission level – http://wordpress.org/extend/plugins/dashboard-commander/