We just got back from POR - the thing to remember is there are 4 bus stops at POR so even if you are far away from pool, you might be close to the bus stop. In our experience this week, MK buses typically started at the West depot. We got on first and got a seat; the south bus stop (main) was packed and the bus was full when we got to the front, so several people were standing in the mornings from the main stop.
You will love POR. We had a great stay. This is the first time we have been in Alligator Bayou and we found the room to be "more" fun than the mansions.
We haven't ever requested a room and have always been near the east or west bus stops.