Filed under: Desktops, LaptopsAlthough Vista still seems fresh as a daisy, that hasn't stopped Microsoft from planning their next major OS release, and it looks like a part of the plan is changing the internal codename from Vienna to "7." The switch was disclosed at at a Microsoft sales training conference in Orlando this past week as part of the company's new "iterative" information-sharing plan, which aims to provide customers and partners with more and more info as part of a predictable release schedule. Microsoft also confirmed that 7 is scheduled to be in development for