Arrival dates are first come first serve. if you wait until your friend get accepted, you can go online and accept your offer at about the same time, then there is a greater chance that you will have the same arrival date. However the college program asks that you accept your decline your offer with-in two weeks of getting your offer by mail. If your friend's acceptance takes longer then this and you wait, it may cause complications for you. Your best bet is to call the 800 number for college recruiting and see what they recommend.
