What's an outgoing Microsoft executive to do on his last earnings call as CFO? Utter something that'd probably get the incoming CFO fired. Kidding aside, the outfit's own Peter Klein saw fit to reiterate something we'd heard back in March -- that Windows 8 is destined for smaller devices. To date, there isn't a Windows 8-based slate on the market south of 10-inches, but as Apple, ASUS, Google and Samsung have