Since I'm married, my criteria will be:
Stay away from those promising multiple virgins in heaven. There is an inherent flaw in this so-called "reward."
A) Do you really want to go through making the first time special 72 times? I think not.
B)Statistically speaking, any number of those 72 will turn out to be stalkers. Hey, being stalked through eternity can't be a picnic. Figure 87 billion (that's billion with a "b") hang ups on your answering machine late at night.
However, give serious thought to a religion promising Vegas cocktail waitresses.