PDF Emerges From PostScript

While PostScript is perfect for output devices, it fails miserably when it comes to person-to-person transfer—especially with people that are not trained in graphic arts. And let's face it, more and more non-graphic artists are creating today' s production work.

Preflight slows things down dramatically. It's sort of like going through customs on an overseas trip. It doesn't matter if everything is in order; there is still going to be a slowdown while everything is checked.