so your facing some 100 mb's of demos per match
Serverside demo's? Then you don't have to put up with ppl saying "uhh. my demo manager doesnt work" bleh bleh bleh, also means every player is covered in one demo instead of all 10 submitting demos. Would also be handy to make Movies with , like "Best of Div1 January 2005".
Just getting server providers to agree. Also where do they get saved? and how much strain is it gonna put on the servers? Does UT2004 even support serverside demos