You'll get no argument from me on those points, Hadrien.
gripe with PDF is that what it's designed
to do isn't what I really need out of an e-book.
What it's designed to to it does fantastically. Case in point: it almost became the de facto e-book standard even though it's not well suited to that application (in general terms, I mean, not when a file has been tailored to a given device).