Check out "JBoss Remoting + JBoss Serialization kills JavaRMI and Spring Remoting", a blog about the combination of JBossSerialization and JBossRemoting:
http://www.theserverlabs.com/blog/2009/02/19/jboss-remoting-jboss-serialization-kills-javarmi-and-spring-remoting/comment-page-1/#comment-1530
-Ron