What we heard: This morning appeared to be a one-two punch of major Microsoft news. First came a slip-up by a Microsoft Saudi executive that revealed Project Natal is launching worldwide in October. Second was the Engadget report, which bore the headline "Xbox 360 3D gaming a reality with LG partnership." Engadget's piece was based off of a South Korean press release, but the Amsterdam-based author of the article didn't identify which company issued it. The blog did post a picture (top) of what…