So You want to see screen shots of framework... Well, MVC Mediator is not about application look, but about application design and implementation ease. However, to get an appetite, below are few screenshots from demo application which You can download and study its source code.

Support for data types and validations. Blue arrays show binding of array and list to a string type value component. Red show validation in action. From field names in bottom part of the window You can guess isntalled validation function:

List binding and custom validation. The example is discussed in white paper.

List bindings with several selection styles. Read arrows show that the selection is bound to editable text field and is fully bidirectional:

The same boolean value from shared model bound to several user interface controls:

Note: the screen shots above were taken with JDK 1.5.0 on Linux with GTK look and feel.