The Troll Hunter

Anybody here seen this?
While I loved Spinal Tap, the mockumentary idea in horror films has not attracted me, I have not seen Blair Witch or Cloverfield. For one thing I get dizzy watching the trailers.
A review said Troll Hunter had an interesting variety of trolls, but from the trailers I've seen, I'm not impressed, they seem pretty fake. Sure, it's supposedly more of a satire/comedy, but...