It's a tough job for German prepress developer callas to sell pdfToolbox, but not because it's a hard sell. Instead, it's so good that Adobe's licensed a subset of its preflighting tools from callas for integration straight into Acrobat itself since version 6 in early 2003.

When a new Acrobat comes out—as Acrobat 9 recently did—it's a hard act to follow.

Peter Kleinheider, callas manager of print publishing technologies, says that the plugin adds both features like imposition not already included in Acrobat. It also adds ease of use to several key processes people making PDFs destined for print repeatedly need to do.

"Our tool is more than just the current way of doing preflighting and correcting. It's about getting things done—right away," Kleinheider says. "You can do that without the need to be a PDF geek."

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