SMP/Scholarship for Army ROTC?

I am led to believe, by hours of researching these two options for Army ROTC that this is probably the route I would want to take. However, I would like to know the difficulty of procuring the scholarship, or "serving" in the SMP. I think SMP would be more interesting, seeing as how you still drill with a reserve component, but do you still obtain the tremendous educational benefits that you would in the scholarship? Could you even receive the scholarship if you are in the SMP? I would like to eventually become an Infantry Officer for the Active Duty Army and don't know which would be a better road to take, or what it would take to get there. Information, pleaseeeeeee!