If I had a limited supply of things I wanted to sell, and a HUGE demand that crushed the server when I did a first-come-first-served sale, I think I'd switch to a POST ONE TIME thread, where everyone interested got ONE post to list what he wants. Then I'd randomly select posts (using a true random number generator like lavarand ;-) and fill orders in that random order. But, that's just me; what do I know? ;-P