I was in both parks today. RipSaw was a 45 min wait mid-day as was WWoHP. By 4:00 the WWoHP was 20 min. We waited no more than 30 min all day. 5 min for Rocket around 11 and 5 min for Hulk at about 5. The kids rode it with basically no wait 3 times in a row. Really not bad at all!
I forgot that I did go into the WWoHP yesterday around 6pm. FJ was posted at 20 minutes but it was just about a walk-on. We waited less than 5 minutes.
I have stayed twice onsite when there has been large conventions on. i found they did not impact on the parks or the resorts during the day as they are usually at the convention, the pools did get slightly busier evening time , but not to bad,and no real impact on the parks.