Eclipse 3.2 requires Mac OS X 10.4 (Tiger) or higher and Java 1.4.2 or higher. Since M5 Eclipse supports the Intel architecture. Please use BOMArchiveHelper if StuffIt fails to extract the downloaded tar.gz (https://bugs.eclipse.org/bugs/show_bug.cgi?id=131650). In order to use the SWT_AWT bridge, OS X jre version 1.5.0 Release 4 (or greater) must be used, and the additional "SWT Compatibility Libraries" must be installed. These libraries can be downloaded from the Downloads section of Apple Developer Connection (http://connect.apple.com). It's free to create an account at Apple Developer Connection to access the download (180K). (Eclipse report: https://bugs.eclipse.org/bugs/show_bug.cgi?id=67384).