Originally Posted by mattfeet
Depends on your internet connection in my experience. Given that you have FIOS, you'll be just fine. If you have an XBOX360 or PS3 in the house, you can also download it onto there and not have to go through the trouble of connecting your laptop to your TV.
Matt's right. If you've got a fast connection, it looks fantastic. But a middling internet speed, you'll get some serious lag and degradation of quality.