Alright, I'm putting together a surround sound system for my parents, they've got a Panasonic 50" plasma 1080p, Dish Network HD DVR, and getting either a Sony BDP-S350 or Panasonic BD35K. My Dad has two pairs of decent speakers that he wants to use so I'm looking for a reciever, sub, and center channel, possibly another pair of speakers for a 7.1 system but don't know about that yet. Any suggestions for a system that will sound decent but isn't too pricey. They mostly will use it for TV and some movies.