It is only advice to improve qdir.
If it has Start Menu, it will be perfect.
How can I add, Start Menu in it?
File or Folder search, Web browser, Reg Editor and File Renamer are very small and quite useful as well.
I'm sure you'll be also thinking about them.
Please first read this :
Where is the difference between favorites and Quick links?
Has the Q-Dir fast access to frequently used programs?