Sure, you will have an ability to see the current results as the project is coming along.

That is because usually we base our development process on the spiral model thus having an ability of taking into account last time feedbacks and changes received from a customer. For heavier projects we build special project conducting Web site (made according to the Rational Software standards). For lighter ones we are simply working in close touch with the customer, exchanging info via e-mail and IM, and providing all the intermediate alpha and beta versions of the application to get feedback from the customer ASAP.