I went as part of an advanced preview, and it was AWESOME! Since our group went before they officially opened (October 3rd, I think), they weren't completely done with preparations. They were about 90% done, and I have to say that I was seriously impressed! There was just a little bit at the very beginning that wasn't quite finished, so I can't comment on that (just the walls in the first building), but the rest was pretty rad.
Seriously, the sounds that the people made, the costumes, the length of the entire event, and the quality of all of the props, was VERY impressive. I am a bit of a snob when it comes to Halloween themed activities, and I host numerous annual parties, so I don't say any of the above, lightly. ;)

Your Halloween season just isn't going to be complete without a trip to Screamin' Acres.