It was not one of our favorite activities. We went in May of 2003 and it was a really, really, really hot night. While the food was good, the entertainment was excellent, the character interaction okay, it was just too hot under the awning. We left about 1/2 hour early.
Now, we have done the HDDR three times and have always enjoyed it. Last year, I asked the waitress to bring my son a hotdog because I knew he was not going to eat the chicken and/or ribs.