This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Another reason for discouraging direct link to JSP is that ActionServlet must be invoked in order for Struts to load module specific message resources. So, directly linked JSP may fails if it has custom tag the uses message resource of other modules.