If you are defied by AJAX and want to have better experience, then you
may want to try AJAX Webshop because it features IDE and visualization
and allows beginners to develop Rich Web applications quickly. Let's
look at some of its features:

Based on standard component library it allows Ajax IDE in the pattern
of rapid application development (RAD)

Integrated development and management tools are available. Easy-to-use
visual Unified Modeling Language and visual IDE; complete component
and object-oriented development pattern

Rich Web component library

Troubleshooting IntelliSense support, code editing support, project
release and deployment support.

Java, PHP, C#, VB support

Compatible with IE, Firefox

Check it out here http://www.ajaxwebshop.com