Sony Electronics has plans to release seven new home theater systems to retail starting in March, with three of them specifically tailored to complement its Bravia line of TVs.

The DAV-HDX500 ($500), DAV-HDX267W ($300), DAV-HDX265 ($300) BRAVIA models combine a DVD player/changer with HDMI output with 720p/1080i video upscaling, a Digital Media Port that allows WiFi and Bluetooth devices connectivity to the system, and Bravia Theater Sync, making it easier for each component to talk to each other over HDMI. Sony is also installing Digital Cinema Auto …