Microsoft has put together a promotion and giveaway contest for 10 lucky winners. Guess the official launch date of Vista, and you could win one of many prizes including being in attendance at the official launch courtesy of Microsoft or an XBOX. Enter as often as you’d like and the closer you are to the date, the better your chances are of winning. The contest will run until the official launch.

Good Luck!

For contest details, Go here and register to enter contest
https://www.microsoft.com/betaexperience/en/default.aspx