Regular installation size is 700MB, after 2 months my UT dir is 1.7GB however when compressed it is about 850MB.
What mods? Most add ons to UT are through the use of UMOD files which install themselves. If not, most mods and mutators are simply copied to the system folder. Anything with utx file extension go into the textures folder, umx goes to music, etc. Most mods also have basic instructions. I have all the major mods, mutators and conversions in my directory. I will also continue updating my uploaded directory to include the latest files.
Simple trick: Once you get UT, find a good multiplayer server that has no kickidlers mod (it kicks you off the server if you stay idle) and just sit back with the sound and monitor off. Leave it overnight or even longer and next time you check you will have a substantial horde of mods and mutators! Make sure you have UT Cache Cleaner. It places all downloaded files in the proper directories so you can use them, otherwise they are compressed into .tmp files that the game only uses when playing multi and cannot be configured or played with in this state. Cache cleaner fixes this.
I did this to prepare for the directory upload.
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Sorry guys, if you want the directory youll have to do it in person on IRC. Im not posting this on OPU or any other file hosting. Thats just how it is. If IRC isnt okay with you, get Skype.