My friend plays in widescreen and has been experiencing this exact thing. I say plays but I should say PLAYED, since he quit after not being able to figure it out. It only started with the most recent patch too which is the frustrating part.
Only a manchild would take the time to cry about getting PVP'd in a PVP game. MY TIME! WAAAH.. no one cares how long it took you to make a set of fullgrain you pathetic peasant.