Microsoft said to be planning next-gen Surface announcement for June | The Verge

If at first (or second) you don't succeed, ... Also see IDC: Microsoft now among top 5 tablet vendors, thanks to Surface (Seattle Times) and Asustek Beats Amazon on Tablets (Bloomberg BusinessWeek)

"With Microsoft's continued insistence that it is a "devices and services" company, there has been a distinct lack of devices. Microsoft originally announced its Surface tablets almost a year ago, launching the Surface RT in October, but the company has remained silent on any further plans. Continued smartwatch and Surface Phone rumors suggest the company is investigating additional devices, but a focus on smaller 7-inch devices appears to be the more immediate plan for Surface."

Microsoft said to be planning next-gen Surface announcement for June | The Verge