I'm obviously pressing my luck here, but has there been any discussion on rooting the Sony Android TV? Is it likely to be very complicated? I just recently rooted my Google TV and while I want to upgrade, it would be sad to lose all the benefits of rooting
You may not want to root it if you don't have factory image available. Lollipop OTA updates break with root. You may miss updates that expand functionality. If there is a flashable factory image at least you can return to stock to get updates (then attempt root of updated firmware)