Personally, I would prefer a pool with a smallish deeper (6-7') end as opposed to the playpool or sport pool dimensions (shallow but slightly deeper in the middle.)
But everyone is different, and each family will use the pool in a different way. I know we probably won't play volleyball, so we don't need a sport pool. I like to swim laps so it needs to be minimum ~32'. We probably want a slide for dd, so that will dictate some depth and horizontal dimension.
Is this your first pool? Do you KNOW you will play sports? I certainly don't want to convince you you need a certain depth pool when your family might want something different than mine. I am just trying to help you think things through! Call me devil's advocate!