The fact that - it uses entreprise proven components in a convention over configuration way. - it works out of the box with existing java code/java libraries

The fact that - it uses entreprise proven components in a convention over configuration way. - it works out of the box with existing java code/java libraries - Can be compiled in .class - Is now owned by Springsource (from the spring framework) - Deployed as .WAR file in any JEE container - other ideas ??