1. Download TextMate by clicking on the link below.
TextMate — The Missing Editor for Mac OS X
2. Open the below mentioned file via TextMate.
/System/Library/CoreServices/Finder.app/Contents/Resources/English.lproj/InfoPlist.strings
(change English.lproj to your language if necessary)
3. Find (inside the file)
/* General kind strings */
"Folder" = "Folder";
4. change it to
"Folder" = "~Folder";
5. Save the file (as root),
6. Restart OS X.
7. Open Finder and order by kind, voila, finder acts like it should :)
8. Add a comment below, to help others...
9. Credits goes to Davide D'Agostino.