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