I love the storyline and jokes of the Simpsons ride, but as a ride itself Pirates is much more enjoyable. Simpsons is a basic and outdated motion simulator versus Pirates being a full conceived boat dark ride with amazing physical sets, that also doesn't cause motion sickness.
Would love to see the pre show and main movie cobbled together of Simpsons (maybe with some extra footage to include some of the gags from the booths in the queue) into a special episode, but I doubt that would happen since the IP and ride are owned by different studios.