As applications and infrastructure move into the Cloud the need for management becomes more important all the time. This set of Cloud Tools for deploying and testing Java EE applications comes as a Maven plugin to make your life even easier.
Amazon Machine Images (AMIs) that are configured to run Tomcat and work with EC2Deploy
EC2Deploy - the core framework. See this blog entry for an overview
A Maven plugin that uses EC2Deploy to deploy a web application to EC2