Paranormal Activity.But if you watch it with the volume down you wont get scared so the sound effects had a great role in turning it to something scary
I Love all the Step up movies but this is what i think about them: Step up 1:Too Much about the love story but not that much dancing. Step up 2:A good balance between the love story and the dancing parts. Step up 3:Too Much dancing(which was awesome)but they didn't pay good attention to the love story. So i'll go for 2