Ultra-high-resolution displays with high pixel densities are all the rage now, and for good reason: They look amazing compared to conventional displays. The big problem for PC users is that a lot of software isn't designed with that level of pixel density in mind.
If you're running GNOME 3 in Linux, your first boot will have you looking for your reading glasses. (Windows suffers from similar issues with high-DPI displays.)
Read more at PCWorld.