Odd suggestions
On the new releases wall at Blockbuster, certain DVDs are paired with "alternate titles." Something along the lines of "If you like X-Men 3, you'll like Spiderman 2, Batman Begins, etc."

The alt titles for "United 93" are "Passenger 57" and "Con Air."

Um, I guess they're similar in that they all feature bad guys on airplanes... but I think that these alternate titles might be slightly different thematically from "United 93." - served up by Ralphie @ 1:13 PM