So far only IntelliJ 13.1 has support for Java 8 but now Eclipse also announced support for Java 8! Starting with I20140318-0830 all Luna (4.4) builds contain the Eclipse support for Java 8. There is also a feature patch available for Kepler SR2 (4.3.2). Source: https://dev.eclipse.org/mhonarc/lists/eclipse.org-committers/msg00948.html
UPDATE: Eclipse just posted a nice tutorial on how to add Java 8 support to Eclipse Kepler SR2 http://www.eclipse.org/downloads/java8/