In case you haven't come across him before, here are a couple of vids of Tom Martin.
I don't know Tom, but he posts a lot at another forum I'm on. He's pretty phenomenal. Going from memory, he's about 22-23, and has a 100m time of around 10.6 (?) At 5'10" ish and 82.5kg (182lb), he's not a hugely built guy.
Here we go, 795lbs at 182 (gym lift):
771lb in competition:
410 kg/904 pound partial: