Here ya go. I uploaded UO Gateway on a file sharing site for now (I'll get it up on my web site soon for more gooder downloads). Grab it here and get yourself all set up.
http://dc94.4shared.com/download/87827449/56459b86/setupbeta_1901266.exe?tsid=20090215-151400-9b21d79d
http://dc94.4shared.com/download/87827449/56459b86/setupbeta_1901266.exe?tsid=20090215-151400-9b21d79d