I'm not sure if posting the following information in this topic is appropriate, but I don't know where else to put it (without creating a new one).
According to Paul Thurrott, Windows "Blue" will fix one
of the annoyances in Windows 8: no unified search results.
In Windows 8, Search is activated via the Search charm (WINKEY + Q, or Charms, Search) and provides a full-screen experience that can be filtered by apps, settings, files, or by individual Metro-style apps.
The big complaint about this interface is the separation of apps, settings, and files: In Windows 7, applications, settings, and files all appeared in-line, together, in the search results (which occurred in the Start menu in that release). So the Windows 8 Search experience requires an extra step if you are looking for a setting (a Control Panel or PC Settings item).
. . .
In Windows 8.1 “Blue,” this is changing.
Now, there’s just a single Search experience for apps, settings, and files, so there’s no need to choose the type of result unless of course you’re trying to filter it to a specific Metro app.
Edit: I can't believe I missed the Neowin artice
regarding the same subject. Sorry about that...