I've been there a few times now with my little guy. Just last week took him down as a pre 6th birthday trip to the fair, circus, zoo and the Monster Trucks last Thursday which he didn't know about until we sat down. Turning off Route 13 down the road and into the fields for parking, picked up and taken to the gate entrance took less then 5 minutes. Pretty much the same each time I've visited. Food from the vendors was good, hot and reasonably priced for the type of location. Looking to perhaps return again this week for a concert and I believe the fair remains until Saturday.
I've heard parking in the past was a nightmare but seems they have it worked out very well now.