Well, I have started developing an interesting project using Joomla and VirtueMart. The point of this project is to allow the user to calculate prices and to compaire them, all these using an simple selection system. Allthough the matter may seem easy to do, its not. VirtueMart has some problems but I am hoping to be able to solve them today ( I will go in a meeting with the manager of a programming company soon ). If by any chance you are interested in this Joomla and VirtueMart calculator you can read more about it on my site ( I hope Temi won't mind me sharing the link ).