Some resources about AOP:- Download "AspectJ in Action" book review chapters from TSS site(www.theserverside.com)- See JBoss 4.0 - First java app server with AOP framework that was released last week(Developer Release).-aspectj.org/.../ECOOP1997-AOP.pdf-http://www.aspectj.org/-http://aosd.net/-"I Want My AOP!" : Part1: www.javaworld.com/.../jw-0118-aspect.html Part2: www.javaworld.com/.../jw-0301-aspect2.html Part3: www.javaworld.com/.../jw-0412-aspect3.html-www-106.ibm.com/developerworks/library/j-aspectj/