Open Shelves in the Kitchen?

So I have been toying with the idea of removing some of my kitchen cabinets and replacing them with open shelving. I have two concepts I like, first is to remove the cabinet doors and paint the inside of the cabinets and the second is to put shelves with brackets up. I also like the idea of doing a combination of the two. So I would love your feedback. Here are a few pictures I like. I like this idea because it opens the room up and eliminates the desire to hide clutter in the cabinets. You only have what you need, nice and simple. Let me know what you like and why! Thanks! (Oh, and a great place to donate those extra cabinets is Habitat for Humanity)