As with many on this forum, I feel somewhat conflicted about buying the new iPad Pro. It looks like a great device, and iOS11 will make it even better. However, the Verge got it right....if I am going to make this my main computer, then I probably should get 256GB storage.....not because I need that much, but because 64GB is just too small. Then, when I add the Apple keyboard and pencil, I am looking at $1,000. If this is my main device, I will probably upgrade every 3 years or so, which is typical for iOS devices. That's $333 per year.
On the other hand, I could purchase the base model MBP for $1299 (granted it only has 128 GB storage, but that would be fine for me). However, I would probably upgrade on a 5 year cycle because laptops are just not evolving as fast as mobile devices. The OS, technology, and applications for laptops are more mature then for mobile devices. Anyway, that's $260 per year.
So, the annual cost is roughly the same.....maybe a small premium to move to an iPad as a primary device. What I really need to decide is how I want to interface with my primary device. Touch First or Keyboard/Mouse. If the answer is that I will primarily use the Apple smart keyboard on the iPad for input, then I should probably just get the MBP and buy a device with an OS designed for keyboard/mouse. On the other hand, if I am one of those unique individuals that has a use pattern that frequently and seamlessly moves from touch to pencil to keyboard input methods, then the versatility of the iPad Pro makes more sense.
My problem is that I really don't know if I fit into this category of user. If I am going to just bang away on the Apple smart keyboard, then moving to the iPad seems pointless. I really won't know until I try out the new iPad pro with iOS 11. Unfortunately, testing it at the Apple store probably won't give me enough real world experience to know for sure....so, it's a leap of faith.