A quick update on yesterdays post:
After browsing the web's christian film review sites, it's clear that "Signs" was a major film event amongst the godly.
My personal favorite was this, from "Christian Spotlight on the Movies:"

"...all of these tear-soaked fragments of life are thus brought together in a divine mosaic that speaks to "all things working together for good to those who love God and are called according to his purposes. See this movie, ignore the few curses, steady yourself for incessant suspense, and be edified."