You shouldn't have rubbing issues with either size wheel. I was running a 225-45-17 with a 2.0 drop in the front, 1.75 in the back and it occasionally rubbed, so I don't even think that will be a problem.
Then, I wised up and realized the 17s were too big, ugly and made me too slow and bought a clean pair of fat fives. But if you want to put 17's on your car, go for it. I am just warning you that you won't like them.