I rented this one after hearing little about it and was pleasantly surprised. I watch many documentaries, and this was a great one. While some atheists may tire of the religious focus (e.g., the director and everyone in the film are unapologetically Christian), the message is worthwhile, and the film serves as a reminder that not all Christians are rabid extremists.
One of the key things I took from the film is that Christian teachings about homosexuality being an abomination and so on serve to create an environment in which violence is condoned. I realize this does not come as news to you, but I think this is a point that needs more attention and repetition in the media. Repeatedly labeling homosexuals as perverse, sinful, unnatural and the like, fosters violence and helps maintain the high suicide rate in the GLBT community.