Got both an Xbox LIVE Gold membership and a Netflix account? Well, you'll be treated to a slightly revamped steaming video app on your 360 today. The tweaks are nothing ground-breaking, but they'll certainly deliver some welcome changes. New navigation options allow you to skip around movies much quicker during playback and even jump immediately to the next episode of a show. If you're one of those folks that's still rockin' a 4:3 screen you can use zoom to transform your letterbox video into a fullscreen clip. There's also a new single sign on feature for easily accessing your Ne