The MacBook and iPad Pro are very similar machines. In fact, as I mentioned on Twitter, the MacBook will likely feel smaller to carry (and cost less) than an iPad Pro with the new keyboard case will be. That’s astounding to think about. There are still tradeoffs, but Apple has made the decision between the iPad Pro and 12” MacBook very easy: iOS or OS X.
As I said before: Do you want to touch your computer or not?