Untuk yang bertanya2 mana yang bagus, bisa dilihat di link ini:
http://www.javaworld.com/javaworld/jw-07-2008/jw-07-orm-comparison.htmlIni kesimpulannya:
Features iBATIS Hibernate JPA
Simplicity Best Good Good
Complete ORM solution Average Best Best
Adaptability to data Good Average Average
model changes
Complexity Best Average Average
Dependence on SQL Good Average Average
Performance Best Best N/A *
Portability across Average Best N/A *
different relational
databases
Portability to Best Good Not Supported
non-Java platforms
Community support Average Good Good
and documentation
