Guys and Natalia ,
 
I'm testing/modifing your shoppings-cript the for a coupe of months now and am seeing progress along the way..
 
And i must say, you're listing to your cusertomers.. but your product has much more potentional..
 
One of yor biggest problems is:
- Release/change notes
- Documentation
 
~The first problem can be resolved by using a bug-report-system like bugzilla.
~The second can be resolved by a documentation-wiki based on approval, like php.net. Users can add examples how to build specific functions based on standard functions already present in the shoppingcart.
 
Your product has a lot more potentional as oscommerce.. give us the tools..
 
Ps. Sorry for the bad english, it's not my native..