Version 0.7 of the leJOS NXJ Eclipse Plugin is available now. It supports the most recent version of leJOS NXJ, the Java platform for the NXT, on Windows (XP or Vista), MAC OSX and Linux.
With this plugin, you can use the popular Eclipse development platform for programming your NXT robots with Java.
Use Eclipse's Update Manager to install it from the remote update site as follows:
Name: leJOS NXJ (or whatever you like)
For configuration and usage, consult the leJOS NXJ topic in Eclipse's Help->Help contents view after installation.