Hell, I'm waiting until my gigabytes of legacy PDF documents can open and be legible on screen, instead of converted to some CRM format. And the iPad isn't the answer.
I have the last generation Kindle, and it handles most PDFs fine. It does poorly on the ones with very small font or if they're on a grey background or some such, but otherwise very good. If you can read the pdf a few feet back from a normal sized monitor after hitting control+l (fullscreen), you can probably read it on the Kindle.