There are guys out there benching over 900 with no chemical assistance, but they're not the norm - obviously.
I think it's a lot easier to be a specialist and remain natural - because you're able to focus on one portion of your body, more or less.
I'm not aware of anyone near the record weights as a 3 lift lifter, but I'm not too aware of the personalities out there, so it wouldn't be a surprise if I missed someone.