In the sale order line product popup, we should first present products of the selected supplier!

The supplier info lines addition in OpenERP trunk was very smart enhancement and I should say that we did almost exactly that for a customer and then I just discovered the feature was added while thinking about publishing some module...

So now that we may know which are the suppliers of a given product, then why not use it to help entering purchase order lines: indeed: whenever you filled those supplier infos lines in the products, then in a new PO, once you selected a supplier it's likely you'll buy him a product he is the supplier of, so why not present first so products in the popup? We could also possibly use a special color for them.
Isn't it easy to add this feature?