I love how easy it is to start new projects these days. It was very difficult when I started creating AppFuse way back in 2002. We've come a long way baby!
Here's a couple of easy ways to get started with Flex and Grails:
I hope to develop with Flex, Grails, GWT or YUI + Struts 2 in the next 6 months. These seem like the most exciting technologies for Java web development in 2008.