Writer's Toybox / Netherworld Books short story competition

Writer's Toybox, in association with Netherworld Books, is hosting a short story competition for science fiction and fantasy writers. Stories of up to 5,000 words are sought. Prizes include anthology publication and, for the overall winner, a contract for a novel with Netherworld. The competition closes for entries on 30th September 2012. There's more details here.