This is very similar to the thread in the video game forums, but of course deals with movies.
These are movies you enjoy even though the popular vote is that they suck or aren't that great.
Personally for me, one of my picks would have to be
http://www.amazon.com/Covenant-Steve...3538608&sr=8-1
This is a movie where even the concept sounds bad, but I actually enjoyed it a great deal. But it has everything going against it from cliched plot to bad acting.