I pondered the other day what's next for Microsoft's Surface PC lineup, and it looks like we're about to find out. Windows and Surface chief Pavan Davuluri has just teased "something new is coming for developers," complete with a mysterious image of what looks like a curved display edge. Davuluri notes that whatever is coming is "not a new OS version," so that rules out the potential for Windows 12 to be announced at Microsoft's Build developer conference next week. Separately, the Windows accou