It was okay. Of the two twists (whodunit and the plot's twist) I thought the latter was quite clever and the former was just...not that it doesn't make sense, but there wasn't enough information to make it a revelation.

And I hope this kent allard jr fellow doesn't buy into the concept of torture porn, because it's pretty silly. There are some but I wouldn't call Saw one of them. In fact this one was a lot less gory than the last one...