We provide an ERP module for catalook that

-links to erp and manages auto accounting
-you can send and build product groups (categorys) variations (attributes) images and additional images and much  more from your erp
-it can send category based discounts from the erp into the catalook price rules and will also send from the erp customer groups
-automatically syncronises stock and price, orders into accounting and download of customers and contacts into the crm module of the erp

The ERP is called Mamut Business Software, and its available in most european countrys. Its slightly more advanced than Sage with better pricing options and is available now in most european countrys.

If you want more info check our web www.excommerce.com