Several users have submitted stories reporting on the launch of Microsoft's newest operating system. The Guardian focuses on virus warnings already threatening the OS, while the New York Times discusses the bug hunt that's begun. With hackers writing scripts to attack, and well-paid bounty hunters looking for bugs to defend, Vista's first few months on the market are sure to be interesting. In the meantime, what is your impression of the OS? Have you had a chance to use the retail version yet? Are you supporting it in a business environment? What's the launch of Vista been like for you?