I thought Paranormal Activity was very well done, especially given the budget. At first I thought, "Oh great. Blaire Witch all over again", but they did a pretty decent job presenting it as real, in my opinion. I was entertained, anyway.
My teddy bear is scarier than When A Stranger Calls. I was sooooo dissapointed when my besties and I watched it to "scare ourselves" on a stormy night...
If you are looking for something kind of "light" This one had me cracking up