On Friday I gave an Intro to Grails preso in which I built a contact manager application. The presentation was 90 minutes long. To demonstrate how much of that time was actually spent coding I whipped up this video where I build the same app but in 8 minutes.
If you want to know more about Grails and are in the Dallas / Fort Worth, TX area I'd love to see you attend my free Getting Started with Grails Workshop on December 11th.
You can find the code from my demo on github at https://github.com/stevegood/8-Minute-Grails-Contact-Manager.