thanks for all the input guys. i think i'm sold on 7.1. to get me there i'm looking at a pioneer elite vsx-55tx driving two sets of rcr-5s as my side and back surrounds (rb-75s + rc-7 in the front). ceiling mounts while not optimal appear to be my best bet based on wife feedback, room layout, small kids etc.
any feedback on the receiver selection? any placement experience for the ceiling surrounds? i'm under the impression sides should be on either side of main listening area, rears roughly 5 feet back closer together. i'd like to get this right the first time!
thanks!