Even serial number photo's would not stop determined abuse of the system.People could bench the hardware,then 'sell' the hardware to another bencher,then possibly even 'buy' it back.Another issue is shared hardware,for instance Bazx and i recently bought a qx9650 between us,to keep the costs of benchmarking down.It quite legitimately belongs to both of us and although we'd never bench it on the same rig at the same time,we would expect to both be able to submit scores with it.We also both have 8800 ultra's too,so you can see how easy it would appear that we bench the same rig,but we don't.This really is an impossible task to try to police results and i don't actually have any answers to it for now.I think an extremely detailed system description on hwbot (not forum) can go a long way to proving differences in system setup.Other than that,little can be done,except relying on the integrity of individual members.Upon reflection,maybe hwbot teams was a step too far and we should have remained individual benchmarkers,as we once were.I don't know.