I've always thought that Flash was cool. When I was in college I purchased a copy of Macromedia studio at the academic price and tried to create some Flash animations for a website. However, I'm not a designer and the learning curve was too much for me at the time, so Flash didn't stick with...
In my life as a developer I have somehow never been on a project where I was creating a windows forms application (or a VB6 UI for that matter) AFAIR. Somehow I was always doing either ASP, ASP.NET, or some backend application with no real UI. My current project is different in that it is a smart client...