For those of you interested in the new Tomcat version, version 7 beta is available here. http://tomcat.apache.org/download-70.cgi
Tomcat 7 boasts a number of new features:
* memory leak prevention and detection
* protection against session fixation attacks
* a simple filter to add cross-site request forgery protection to an application
* simplified embedding
* alias support
* better security for the Manager and Host Manager applications
