We stayed last summer for 3 nights at BCV and then 4 nights at OKW. We were in studios the whole time to save points. I can say OKW FEELS a lot bigger. The layout of the room just seemed more spacious. There was more room in the closet, more room in the dresser and it seemed like more "hiding places" for stuff.
The room at BCV was brighter. At OKW a big window opens to the front and my DH kept the blinds closed, he is privacy-minded. I like the sunlight and don't think anyone was peeking in anyway! OKW studios also seem to have a larger bathroom.