I've stayed at Pop and ASSp, I'm not a fan of the value resorts but here are my thoughts.
I would not pay for a preferred view in any of them, or the moderates either for that part. If you are worried about walking distances there are rooms that are fairly close to the bus stops/pools/food that are standard. They have outside corridors so chances are a view isn't going to matter, I know I don't open the shades so people can see in my windows when they walk by and chances are your view is gong to include at least part of the railing of the walkway. Most, if not all, of them have nice secluded spots you can go to to sit and just get some peace and quiet and have a good view.
At Pop I stayed in the building that is just the parking lot away from the bus stop/food court and the pool was right there as well. Not preferred and you literally just walked across the parking lot to get to everything. I was on the side away from the pool, faced the parking lot. Since view didn't matter to me this was good since I didn't hear the pool noise but had I wanted to go to it (which I didn't) it was right there. I was on the third floor about 1/4 way down the hall from the stairs so easy to get to and while there was traffic it didn't seem like a lot.
At ASSp, I stayed in the football section, about a 1 min. walk from the food court/bus stop. I was on the side with the field, which I wouldn't recommend because that is where they show the movies at night and I did hear it and no matter how much I tried to close my curtains the light did come in the room. It was a standard room.
I had no problem with the bus service at either resort, although I'm not a huge fan of the uncovered bus stops because if you are waiting for a while it does get hot or wet with no cover.
I would go with whatever one is less, while the theming is different at all of them, the All Stars are all pretty much connected to walking from one to the other to see it is no big deal. Pop is across the lake from AoA, I would not pay deluxe rates to stay at AoA, I'd just walk over from Pop.
I liked Sports more than Pop, it seemed a little less noisy and busy and my room was in better condition. I had no problems with CMs in either resort.