The Poughkeepsie Tapes is decent in the moment, but I don't think it's particularly memorable or has the staying power one might expect from a found footage movie of this nature. Might be worth one go, but any more is overkill.
Mediocre found footage, amiright or amiright? [*hehehmm*]
(http://www.fight-evil.com/movies/years/2007/479-1.jpg)