I'm not a fan of giant levels. They usually have piss-poor layouts and excellent textures. This one is no exception.
Revised Use Your Brain
Sorry that should be:
Posted in the news submissions http://celephais.net/board/submit_news.php
(damn no idea...)
This Doesn't Look Bad At All
the only giant maps I've played were for HEretic II and they weren't very good; but with an engine as high-res as Q3 this might work. However, the download link doesn't work, heh.
Look In News Threads
I rereleased this (with some changes) and posted something in the news forum with an FP link where you can get the map. Hasn't appeared on there yet but should soon. Meanwhile: