It may just be me, but I find installing or upgrading the Java JDK/JRE, Eclipse, and various plug-ins to be a gigantic chore. If you feel the say way but would still like to use Eclipse on a Mac or Windows box, check out...

EasyEclipse 1.2

It claims that: EasyEclipse packages together Eclipse, the open-source software development platform, and selected open source plugins. We select, assemble, test, patch, build installers and document a full IDE, offered as reliable distributions and plugins.