Microsoft just announced the Surface Pro 3 at a press event in New York City. The new model features a 12-inch display, which is up from the 10.6-inch display found in the Surface Pro and Surface Pro 2. As such, Microsoft also announced a new Type Cover to go with the Surface Pro 3. Now those Type Covers aren't cheap and we know a lot of you are wondering if your ?old? Type Covers will work with the Surface Pro 3.