I used to have an 87 prostar. The wake was ok but not great. I used to runa fat sofa in the rear (about 800lbs) and 200lbs in the bow plus several people.
The wake was fine for my needs but the boat used to run real low in the water, was cramped and as I ride in the sea it wasn't ideal.
That said it handled superbly unweighted, had a great slalom wake and was cheap to run.