The old standby for reading PDFs gets the mobile treatment. It's better suited to browsing briefs than literature — there's no bookmarking, and it doesn't save your place for reading later. But the Reflow Text option, which lets you choose your ideal font size and quickly reformats the document to fit the screen, makes any PDF phone-friendly.
WIRED Speedy keyword searches. Lets you navigate longer documents with the slider.
TIRED Can't edit or annotate. Keyword search not available in Reflow Text mode.