Hey Kraid. Like makkE says, the lighting isn't that great, so I went through and relit it, along with many other tweaks, most of which wouldn't be noticeable to the player (but are certainly noticeble to the engine).
Here's my version:
http://www.mediafire.com/?5b29ymsii9u
(That also includes a mapshot.)
I've never seen the actual map, so I had to make it all up. It looks reasonable, but the sunlight in the main hall is a little bland.