It is possible to go into IB with an MSF. If you look at placements at most of the schools we are applying to, the big banks are listed or at least a few students have found IB jobs. The MSF won't entitle us to anything, but I'm pretty sure it will give us some type of edge. Especially, if your undergrad was from a very lesser ranked school like mine.
Incidentally, if you look at University of Florida's placement you will see a good bunch have gone into IB as analysts.
http://www.cba.ufl.edu/fire/programs/ms ... istory.asp