Yeah it's kinda good and bad, because while scrolling to the side that the second monitor is on (I'm bass-ackwards in that my "main" monitor is the one on the left, so it's scrolling left for me) you have a rather small area in which the game will detect that you want to scroll.
On the flipside, clicking stuff on the other monitor doesnt make the game minimize. (would be good for reading the forums, if they werent overloaded and buggy as heck today...so much F5 spamming..)