We're sure Microsoft is going to announce some more official details about Windows 8 one of these days, but until then we'll just have to make do with the seemingly unending stream of tidbits being unearthed from the leaked version of the OS. Most notably, this latest batch includes the most conclusive evidence yet of a Windows 8 app store, including the logo pictured above, and a slew of other references at the code level -- things like the ability to download a trial app and then unlock the full version (rather than re-download it), for inst