Well, there's that tearing bug that showed up a while ago, and they got rid of for 14.4, for example, that affects windows. Or 14.3 beta's erratic behaviour on trying to force VSync. Otherwise, in a single-GPU, non-eyefinity, windows environment, there aren't really too many issues that the user has to worry about. Developers, sure, but not the user.
in a perfect world we would all be piles of sand with no ability to form coherent bodies of body