Good Gear Guide
In pictures: Belkin ScreenCast AV4 Wireless AV-to-...
It comes with a little remote control so that you can select the video input that you desire to watch. An IR blaster is included so that infrared signals can be sent back to your HDMI devices. This allows you to use your remote controls as per usual (even if your Blu-ray or set-top box are in another room), by simply pointing them at your TV.
The ScreenCast AV4 Wireless AV-to-HDTV Adapter will be available in December at a cost of $300.
In pictures: Belkin ScreenCast AV4 Wireless AV-to-HDTV Adapter