Ajax is hot. Everyone is using it. It’s making the web feel much more like a desktop application. But it really can complicate the development process. We have a few applications in development right now that are relying heavily on Ajax and we are trying to decide if the development curve is really worth the cool effects. As new projects enter into planning, this decision comes up again and again. When should we use Ajax? When is it beneficial and when is it just extra overhead? Here are few articles discussing this. The next problem, which Ajax framework to use? But that’s for another day.