Ken:
You sound like a worrier just like me. But please, don't exhaust yourself-- you still have eight months to go!
I am sure that you will like OKW--it is in the top ten rated by TUG of ALL timeshares. There are no bad rooms. You got your requests in at nine months--you are getting your family together--you have done good!
I am sure all of us enjoy your questions--you seem very enthusiastic--and we all have done plenty of research for our upcoming trips.
But please heed my advice, and don't set yourself up with such high expectations that if everything is not exactly as you expected (the perfect room, the perfect PS, etc) you will be disappointed. For instance, I have known people who have done exhaustive research, culling all the information for the best of everything--the perfect room, perfect parade spot, perfect table in every restuarant, even how to get chosen to be Grand marshalls in a parade!--and if they don't get it, they are disappointed--so much that it ruins their vacation. I even know one family that planned to perfectly chorograph their dinner so that their child could be chosen to start the fireworks at EPCOt. When the child wan't chosen, it was the mom who cried. Again, no way to spend a vacation.
Not to say that any of that is you, just wouldn't want a fellow DIs'r not have a good time at WDW

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Trudy