since you said movies, i will go with the 9.5/9.cs. if a large part will be music, i will go with the 9.6/9.cm. for me the 9.5 has more slam for movies. the 9.6 tends to be more laid back, and it will need a really powerful amp. not that it can't be driven by the entry level ones though. reason is as mentioned earlier.
for the surrounds, it will depend upon your room. if you're putting the surrounds near the room boundaries, i will go with the 9.dfs. otherwise, the 9.1 will be fine.