Well, I was there this last Sunday but it was hardly typical as it was Thanksgiving weekend. It was more crowded than a typical Sunday but not extremely crowded. The more popular rides had wait times for 30-45 minutes during peak times during the day. By later in the day, most rides were walk-ons.
I was at the parks yesterday (Wednesday) and the holiday crowds have gone home. Every ride was practically a walk on. I suspect that this Sunday will not be crowded.