IMO, the iPad Pro needs a partial redesign, like adding MicroSD expandable storage...
Why stop there? How am I supposed to plug in my VGA external CRT monitors, and SCSI peripherals??! Wake up crApple!!
I kid, I kid... but seriously, sdcards? It's 2016, not 2010.
A hybrid OS that can use both Mac and iOS apps (like a Chromebook) would be great.
A Chromebook can't run Mac or iOS apps. With a few Google exceptions a Chromebook can't even run "apps" at all, it runs a Chrome browser window. It's designed to use the web for everything.