I'll check out the message boards and see what's afoot.
Edit: This is what's afoot, bonuses for early finishers
Full details here http://www.gpugrid.net/forum_thread.php?id=776#6977To easy the effort, we are giving now:
60%+ for WUs returned within 1.5 days
20%+ for Wus returned within 2.0 days
In other words get your WUs returned ASAP & kill any old ones if you want to maximise your credit.