Random Tech

Some Ideas I love and some I love to hate 

AJAX

Open Ajax Alliance 

Client Side 

PageBus 

Silver Light (XAML)

 Dojo Toolkit.

 XUL

eFace 

Server Side 

AJAX Portlets.

 Ajax Portlet Wiki.

AJAX 

Client Side 

Silver Light (XAML)  is the Microsoft's answer to XUL.

PageBus is to Ajax what ESB is to Composite Applications.

 Server Side

Blueprint on how to use Ajax from server side perspective is presented here. However, there may be other equally valid approaches.

Also see the Portlet repository for samples.