Favorites:
REC.
Home Movie
The Troll Hunter
Noroi: The Curse
The Poughkeepsie Tapes
The Silent House
Cloverfield
Not as good as I expected but decent nonetheless:
Atrocious
Paranormal Activity 1 & 2
REC. 2
Better than the expectation:
Paranormal Entity
The Zombie Diaries
Not good but not so bad either:
Exorcismus
The Tunnel
Re-Cut
Grave Encounters
Disappointing/hated:
Blair Witch Project
Diary of the Dead
Lake Mungo
The Zombie Diaries 2
The Last Exorcism
Haven't seen more than half of
this list of 57 FF Films from wikipedia.