In addition to further upgrades in performance, usability, and user experience, you will surely appreciate the newly added efficient support for the most in-demand features, technologies, and tools of today.
Hibernate and Spring integration
Coding assistance with smart completion
Highlighting, code inspections and quick-fixes
Spring file set editor
Spring namespaces support
Spring AOP support with full coding assistance, quick fixes and navigation
Hibernate mapping structure view
Editable Hibernate entities relationship diagram
Hibernate/Spring-aware Refactorings
Tight Hibernate/Spring integration
And more...
New and improved support for multiple languages and technologies
EJB & JPA
JSP
HTML & CSS
XML
More advanced JavaScript (with basic Flex) support
Ruby/JRuby and Groovy development plugins coming very soon
Highly anticipated Web services support
And more...
New and innovative VCS features
Rational ClearCase integration
"Review Incoming Changes" to raise awareness of team members' activity
Ability to "shelve" (temporarily put aside) local changes
Other important enhancements
Greater level of team cooperation
Tight, transparent Maven integration
Interoperability with Eclipse projects
Better TeamCity integration, with a dedicated tool window for reviewing inspections and duplicates reports right from the IDE
Numerous productivity-boosting features
New Java refactorings
A rich set of refactorings for XML
Around 50 new code inspections and quick-fixes
More flexible search options
And more...
Variety of other enhancements
New intuitive approach to configuring complex Enterprise Applications