I am always in search of a better email client. Don't get me wrong, Gmail is great and everything, but there's just something about a desktop email client that feels so much more powerful and functional.
It doesn't matter if you're running XP, Vista, 7, or 8, there are glaring weaknesses to Windows Explorer that we've all got to deal with. Fortunately, third-party developers have us covered (as always). If you're turned away by Windows' search indexing or the clunky feel of the Windows Explorer interface, you have other options. File management can be made incredibly easier if you look into something other than what Windows offers by default.