Looking to be in the envy of all your friends Xbox 360 online friends? As they did once before with NXE, Microsoft is launching an update preview program for its upcoming Xbox Live dashboard enhancements, which for this round includes Games on Demand, Netflix movie parties, and user ratings -- better luck next time, Facebook aficionados. A Microsoft Connect account is required for registration, and lucky participants will be notified by July 31st. Hit up the read link to throw your hat (and gamertag) in the ring