Microsoft chief Steve Ballmer during this week's Gartner Symposium raised curiosity by claiming that Windows 8 would be a major gamble for the company (video below). When asked by analyst John Pescatore what the next "riskiest product bet" would be, the executive answered simply that it would be the "next release of Windows." It's unclear if he was referring to the importance of having a successful core product or if the OS itself would be a radical break.