Outsourcing can be a good thing when it comes to home entertainment.
With a handful of exceptions, truly flexible multiroom entertainment is beyond the reach of most A/V receivers. Sure, lots of manufacturers rapturously talk about their second-zone outputs like they're some sign of the Second Coming. In most cases, however, a receiver's second-zone outputs aren't much better than giving a blind man the keys to your car. Maybe you'll eventually get where you want to go, but not without a lot of anxiety.