nodnerb's about got it in terms of potential fitment problems. Chances are you'll need to cut new cable housing also.
You *will* need some specific tools to perform the swap yourself - not sure if that's your intention. Regardless, don't sweat the headset press - one trip to Home Depot and five bucks will get you all you need.
Welcome to the forums - btw, if you think yours was a negative post, just hang around for a while.
