This is one of those movies that has an intriguing title, but only the last 20 minutes of the movie deliver what the title suggests. It has its amusing sequences, but I was kind of disappointed at the lack of any serious "YUSSSS!!!" moments.
The characters in this one were kind of boring and some of the deaths were implausible (this shouldn't be surprising if you're still watching these movies), but unlike third and fourth installments, this one threw a new element into the mix rather than completely recycling the same formula. It also did a better job at tying itself in with previous installments, making it seem like the true follow-up to Final Destination 2.
The majority of the reviews for Eden seem to agree that its solid acting and its effectiveness at inspiring sympathy for the protagonists and hatred toward the antagonists set it above other movies in the genre. While I can't criticize the performances, I didn't find the movie to be any better written than conventional horror fare. The movie is very contrived, relying heavily on stupid decisions and Murphy's Law to prolong the cat-and-mouse game and allow the suspense to continue.
This is more chilling than most horror movies, but it makes the classic mistake of undermining itself due to stupid decisions on the part of the characters. The protagonists don't do anything terribly stupid, but the bad guys are unbelievably moronic for a group of people who have been running a successful snuff film operation for years without getting caught.
I didn't really care for the first one, but I found this one to be decent. In comparison to the happenings of the first installment, this is mostly more of the same, but on a larger scale (bigger house, more cameras, more victims). The difference is that this installment had much better pacing. The first one expended all of its tricks in the first half, making the second half redundant and anti-climactic; the occurrences in this installment build in intensity and severity, creating an escalating sense of danger. This one sacrifices some of it's "authenticity" by creating a pseudo musical score from the humming of the cameras, but most people know that the Paranormal Activity franchise is fictional by this point, so it's just as well that they added some extra tension.
The Louisiana backdrop alone is worth giving this one a look, but I also found it refreshing that the movie didn't rely on cliche horror gimmicks, and that the twist at the end wasn't one of those random, annoying "gotcha!" type of twists.