I haven't stayed at Sports, we stayed at All Star Movies last fall and it was fine. I had read similar things that you have heard, but we didn't have any problems at all. We were there during Hurricane Jeanne, and the staff was helpful and friendly to us. We did walk through Sports one day, just around the resort itself, not in any of the rooms or anything, and it looked like it would be fun. With any hotel/resort, no matter where or what, there are always people who don't like something about it, or who did get bad service for whatever reason, but you don't hear from many of the people who have a great stay at these places.
There was another thread yesterday or the day before on this board asking about Sports, you might want to scroll down a couple of pages and see if you can find it too.