Changing to a feature request.

TMK the products catalogue is not intended for use selling digital products. It is only intended for physical products.

Digital products can be sold either through the downloads system (though only via points at this time; someone could sponsor this feature and I'll hook it into the eCommerce system to allow currency payment as well) or through a "custom product" on the eCommerce inventory management screen.

These aren't ideal; the interface is not intuitive for selling digital goods. So if someone wants to sponsor me to improve the UI, please let me know. I have higher priorities for v11 ATM though so this is not something I'm going to do right away.