A 10" iPad is still too small to legibly render a typical textbook. It requires a lot of scrolling and/or zooming. If the rumors of a 12-13" iPad turn out to be

A 10" iPad is still too small to legibly render a typical textbook. It requires a lot of scrolling and/or zooming. If the rumors of a 12-13" iPad turn out to be true, this will certainly be one of its primary uses. I'd buy one just for reading my large collection of PDFs for tabletop RPGs.