"Your website says that they are going to print EXACTLY this way."
"But that doesn't apply to alignment!"
"It doesn't say that, though. It says EXACTLY."
"Yes, exactly, but not the alignment!"
I got really frustrated and finally she rudely conceded to refund the $10 I spent to make the business cards glossy. I'm not quite sure it was worth the money to have to deal with that, but at a point, it became about the principle, not the money.
Just a heads-up to anyone who might put themselves in that situation. I am not going to boycott Vistaprint, I still think that their services come at very good prices, but you have to look out for their little "loopholes." They put up that "EXACTLY AS-IS" agreement to cover their asses in case someone makes a typo and tries to blame them, but they have to accept responsibility when it goes the other way as well.