I have a real problem with those that wait until marriage to have sex.
Think about it: The idea of marriage is to procreate, that's the basis of it. That being said, what happens if you wait all this time, commit your ENTIRE life to someone, and THAN find out that they suck in the sack? I'd be crushed. It just doesn't make sense to me.
I would NEVER date a virgin. Maybe I'm callous or something, but I don't want to be your training wheels just so you can move on to a two wheeled bike. Being with ONE person your entire life seems a little naive to me, you don't know or have not experienced anything else.