What you mean is that heavily formatted books don't look good on Kindles. There's no general mapping from publication-quality documents (as supported by PDF) to

What you mean is that heavily formatted books don't look good on Kindles. There's no general mapping from publication-quality documents (as supported by PDF) to crippled formats like ePub and Mobi. The problem is the device—or, rather, your expectations regarding the device—and not the format itself.