The guys over at Sitepoint.com are running a 'J2EE/JSP special' week. Throughout this week there will be a new Java, JSP and J2EE article every day. The articles aim to show you advanced ways to use Java in your Web projects, including Enterprise JavaBeans, Apache Struts, and more.
I have written an introduction to MVC and Struts for this series, which will be published later on this week.
If you have had little expose to JSTL before now, I strongly suggest reading this article and seeing how pretty JSP code can really be (no more Scriptlets, yay!)