Unless you can't stand OS X. Also the "Better Trackpad" is arguable. And I'll take the Pixel's screen.

MagSafe is a big draw though, arguably as important as almost anything else. Comparing the screen on my MBA to the screen in the new Dell Developer laptop with IPS is a bummer though.

In all honesty, I've never even seen a USB3.0 device in the wild either. Not an argument against the option, of course.