I don't think u'll b disappointed with the upgrade. I have downloaded every leak, and have download every hybrid from BBCM so to me the changes r just enough to see but for u, u'll def. see the difference between the 2 hybrids. Then ur next q'stion would be....wow, y didn't i do this sooner.
But to be even, if u don't like it u can always go back. So there's always that freedom