ln -s /var/www/Magento/AncLib/app/design/adminhtml/layout/lib.xml /var/www/Magento/Magento19/app/design/adminhtml/default/default/layout/anc/
AncPricepercustomer
Extension hat keine Abhängigkeiten.
magento connect: http://www.magentocommerce.com/magento-connect/price-per-customer-3.html