Has anyone tried this? Found it on another forum, and they are seeing large increases in performance.
In your DOOM 3 directory, find "DoomConfig.cfg" (x:\Program Files\Doom 3\base). Open DoomConfig.cfg in Notepad.
Find the line:
seta image_cacheMegs "32"
They are changing it to 128...
CVSNT, SubVersion.
We use subversion here at work; CVSNT is on it's way out and is being replaced by SubVersion. Tortoise is a very easy and slick client for it.