If you could somehow incorporate your friends into the family package I'd really think about getting an XB1.
I think you can, I think you can share your games library with up to 10 people anywhere in the world as long as they are on your friends list, but only one person can play each game at a time.
Major Nelson is a lot better at interviews though than some one like Don Mattrick, he actually confidently explained the benefits behind some of the controversial features in a charismatic way. Unlike Mattrick who is like "Yeh this guy lives in a nuclear submarine, sucks to be him." manner.