The Verge: Microsoft is preparing to launch its next-generation tablets at an event in New York City on September 23rd. The software maker has emailed press invites to the media today, asking them to save the date for a Surface event. After a number of recent leaks, it appears the company is ready to announce and unveil its Surface 2 and Surface Pro 2 tablets. Both will act as refreshed versions of the existing Surface RT and Surface Pro models. Sources familiar with Microsoft's Surface plans have confirmed to The Verge that the company will not be launching a rumored Surface mini on September 23rd.