There's one big, table-shaped obstacle to developing apps for Microsoft's Surface: you kind of have to own one. A new Surface 2 SDK, landing this summer, will sidestep that problem with an input simulator so devs can test their code on any Windows 7 PC. You can tap fingers, place tags, or paint "blobs" for your virtual SUR 40 to interact with, and even fake multitouch gestures by "stamping" a finger in one spot then moving a second one. If the Surface you're programming for happens to be movable (though we're not sure who would
