Microsoft may have only just launched Windows 7, but Apple isn’t sitting back and letting Redmond enjoy its time in the spotlight. Instead, last night it revealed three new ads in the popular “Get a Mac” series featuring John Hodgman and Justin Long, all of which go after Windows 7 by name. The three ads, “Broken Promises,” “Teeter Tottering,” and “PC News” all have a slightly different take on what’s wrong with Windows, but they all manage to find fault. And they all do so without actually