I been looking for a good example that has ZK, Spring, Spring Security and Hibernate and this example looks perfect and it is well documented

http://vs171030.vserver.de/test/pages/index.zul

the sample app is hosted here

http://vs171030.vserver.de/test/

Some more info on ZK with Spring-security

http://www.zkoss.org/smalltalks/zkspringsec1/

ZK studio only works with Eclipse Galileo and I at this time I think i need an older version of Java SDK

http://www.oracle.com/technetwork/java/archive-139210.html