John Gruber comments on Adam Lisagor's experience on snapping photos with the 3GS, and notes:
… a few times where I thought I’d missed the shot based on my experience with the original iPhone and 3G, I’ve gotten the shot with the 3GS. But after reading Adam’s piece and testing it out side-by-side with my old 3G, there’s no maybe about it. As Adam says, something smart is happening here.