It's lowest price by $50, you can get the Yamaha YHT-597 5.1-Channel Network Home Theater System for $399.00 from Amazon.com today. It has excellent customer reviews and I think it is an outstanding value for a next-gen home theater system.
The reviewers over at Gizmodo also really like the value for the features on these latest HTIB systems from Yamaha, specifically noting the Apple AirPlay support and a 4K passthrough that makes these systems somewhat 'future-proof.'