go to the cross mate, more places in a smaller area... plenty of choice
World bar, Hugos, Iguanas, DFly, Madam De Biers, The Cross (yes its called the cross), Burbon, YU, Kink, Trademark, hit vegas for a resches at 4am and have a drink at Mansions too.. tis cheap...
Stumble down to george st and check out IVY, Blackett,
IF your definately heading out on a sunday, Sounds on Sunday at Greenwood Nth sydney, then hit the cross.. thats your best bet
This sunday parklife will be on so check out inthemix.com.au as to where the big acts will be playing after... plenty of info there mate
try and pickup a 3Dworld mag from somewhere too.. its free, music stores and pubs have em