The $250 figure is actually for 18 variations of the font. If you wanted, say, only the bold version, or only the small caps or whatever, that would cost you $40. That's still fairly stiff for a single font face (I'd normally expect several of the common variations lumped in together at that price), but not quite as ridiculous, especially when you consider that the foundry is expecting to sell these to design firms, not individuals. And yes, design firms will pay those prices for a font guaranteed to work correctly with the quirky, temperamental, and easily broken software they use for layout. (Seriously, Adobe InDesign is awful, with a habit of exporting broken PDFs, and I doubt Quark XPress is much better.)