In Windows XP you can browse ZIP files as if they were folders. To do the same with JAR (or WAR) files simple:slashdot digg del.icio.us technorati [more]
- Uninstall winzip if it's installed.
- In the Registry editor, copy the entire \\HKEY_CLASSES_ROOT\.zip registry entry to \\HKEY_CLASSES_ROOT\.jar. The easiest way to do this is to export the .zip key, edit the .reg file in notepad, and re-import.
Or just install winrar and forget the rest :)