You could actually just create a separate partition to run those apps in. You can even just use a disk image http://www.macosxhints.com/article.php?story=20050

You could actually just create a separate partition to run those apps in. You can even just use a disk image http://www.macosxhints.com/article.php?story=20050505184714699 http://www.macosxhints.com/article.php?story=200505051847146... You also may need to symlink some directories.