I think you have to think long and hard about your path of education and the differing philosophies between CPM's and CNM's.
If you desire most of all to become a homebirth midwife, and you don't have a burning desire to be a nurse, you might consider NOT completing your BSN program and simply studying to become a CPM instead. 3 years as opposed to 6 years. That's a lot of money and a big difference.
Also, I find that although many CNM's may have started out with good intentions, they are still educated in the medical model, to a great degree, and many simply become obstetric handmaidens to MD's. They no longer question routine testing and intervention, and their appointments are just a short and hurried as their MD counterparts.
I would speak with both CNM's and CPM's in your community - perhaps even shadow one or two. Also, have you attended births yet? Consider going through a doula training and being a doula first. What sounds wonderful in theory can be overwhelming in practice.
And heck, if you're a REAL educational go-getter, and want ot support homebirth, consider becoming an MD and backing up midwives or having a physician-run homebirth practice with midwives. Physicians have such power in this arena, and in a time of increased c/s'sand interventions, we can use truly cool MD's to support midwives, natural and home births.
Just a few thoughts!
Alison