PDF: Satanic horror from the abyss, or merely evil?

Ahem. It has just been drawn to my attention that the lovingly-compiled packet of Hugo nominated works, made available to the elligible voters by this year's worldcon committee, contains nothing but PDF (Acrobat) files. What can I say? I've been overseas, then I've been busy.

This is probably not the right place for my rant about why PDF is not an ebook file format (hint), but PDF is not an ebook file format. It's a page layout format, complete with margins, gutters, page numbers, and loads...