This is a special show that I started last night to basically respond to a couple of blog posts from Jake Howlett at codestore.net.
I believe that XPages is RAD. I pretty much did the building in 3:45 give or take a second or two. It might be interesting to spend another 5 minutes to add things like security, validation and mobile controls to make it truly production ready.
Again – this is just an all in fun kinda thing. There are pros and cons to any platform.