as far as producers. alot of them are on soundclick. its free and more felxible than mp3.com. i'm not sure if they offer to make cd's for you like mp3.com did, but still its very useful. not as many big name artists there though.
the way i see it. i don't have any connects in the uk. now i have a crew of ill emcees in britain that can give me some shine. its a form of promotion.
yo messenger. i actually donated a beat to a crew in the uk named pentalk. i heard their stuff and liked it alot. they heard one of my beats and loved it. it was a beat i didn't like myself. so i gave it to them for free.(which i rarely do) thought maybe it would help my cause.
www.rodrigo-ny.com
a bunch of different message boards
ughh.com
boom-bap.com
sphereofhiphop.com
also
www.beatsociety.com
alot of producers have their music posted there. plus they do live shows. i don't know if they'll go to australia, but you can get a little shine there...
if you got crazy ideas in your head. get them out. try and find emcees that would rock on your type of production. i do my share of spamming on boards that allow it, but i don't get much interest that way. i look through artists sites and showcases and find emcees for a particular beat and...