There is a zip.vim script (by Charles E Campbell, Jr) that is very handy for modifying zipped files directly, but it can get difficult when you have long file names and multiple directories. Sure, using the mod all the time probably isn't the smartest thing to do, but it works. And this will colorize the output a little!
Scripts
UT Cache
This is a quick script designed to parse the cache directory for the original Unreal Tournament and move downloaded modules into the game directory. This allows you to use downloaded modules for games you host.