Apart from the fabulous iSheep, the most interesting thing in Microsoft's XNA lobby was the mysterious shroud you see above. What lurks beneath its silken folds? Honestly, we have no idea. All we do know is that a nearby sign declared that whatever hides behind the gossamer barrier will be revealed this Wednesday at 11:30am. As it happens, 11:30 is about the time that John Schappert should be wrapping up Microsoft's GDC keynote, "A Future Wide Open: Unleashing the Creative Community." We're waiting with
